101132221 has 4 divisors (see below), whose sum is σ = 101253600. Its totient is φ = 101010844.

The previous prime is 101132191. The next prime is 101132233. The reversal of 101132221 is 122231101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101132221 - 2⁵ = 101132189 is a prime.

It is a super-2 number, since 2×101132221² = 20455452248785682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101132621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59431 + ... + 61108.

It is an arithmetic number, because the mean of its divisors is an integer number (25313400).

Almost surely, 2^101132221 is an apocalyptic number.

It is an amenable number.

101132221 is a deficient number, since it is larger than the sum of its proper divisors (121379).

101132221 is an equidigital number, since it uses as much as digits as its factorization.

101132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121378.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 101132221 is about 10056.4517102207. The cubic root of 101132221 is about 465.9040814572.

Adding to 101132221 its reverse (122231101), we get a palindrome (223363322).

The spelling of 101132221 in words is "one hundred one million, one hundred thirty-two thousand, two hundred twenty-one".