11221

11,221 is an odd composite number composed of two prime numbers multiplied together.

What does the number 11221 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

11221 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 11221:

7² × 229

(7 × 7 × 229)

See below for interesting mathematical facts about the number 11221 from the Numbermatics database.

Names of 11221

Cardinal: 11221 can be written as Eleven thousand, two hundred twenty-one.

Scientific notation

Scientific notation: 1.1221 × 10⁴

Factors of 11221

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 236

Divisors of 11221

Number of divisors d(n): 6
Complete list of divisors:
1 7 49 229 1603 11221
Sum of all divisors σ(n): 13110
Sum of proper divisors (its aliquot sum) s(n): 1889
11221 is a deficient number, because the sum of its proper divisors (1889) is less than itself. Its deficiency is 9332

Bases of 11221

Binary: 10101111010101₂
Hexadecimal: 0x2BD5
Base-36: 8NP

Squares and roots of 11221

11221 squared (11221²) is 125910841
11221 cubed (11221³) is 1412845546861
The square root of 11221 is 105.9292216529
The cube root of 11221 is 22.3877537227

Scales and comparisons

How big is 11221?

11,221 seconds is equal to 3 hours, 7 minutes, 1 second.
To count from 1 to 11,221 would take you about three hours.

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
A cube with a volume of 11221 cubic inches would be around 1.9 feet tall.

Recreational maths with 11221

11221 backwards is 12211
11221 is a Harshad number.
The number of decimal digits it has is: 5
The sum of 11221's digits is 7
More coming soon!

Copy this link to share with anyone:

Share this page on social media:

Link to this page

HTML: To link to this page, just copy and paste the link below into your blog, web page or email.

<a href="https://numbermatics.com/n/11221/?utm_source=shared">Number 11221 - Facts about the integer</a>

BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:

[url=https://numbermatics.com/n/11221/?utm_source=shared]Number 11221 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 11221 - Facts about the integer". Numbermatics.com. 2025. Web. 25 March 2025.

APA style:
Numbermatics. (2025). Number 11221 - Facts about the integer. Retrieved 25 March 2025, from https://numbermatics.com/n/11221/

Chicago style:
Numbermatics. 2025. "Number 11221 - Facts about the integer". https://numbermatics.com/n/11221/

The information we have on file for 11221 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

Keywords: Divisors of 11221, math, Factors of 11221, curriculum, school, college, exams, university, Prime factorization of 11221, STEM, science, technology, engineering, physics, economics, calculator, eleven thousand, two hundred twenty-one.