113252370221 has 4 divisors (see below), whose sum is σ = 113296907712. Its totient is φ = 113207832732.

The previous prime is 113252370211. The next prime is 113252370223. The reversal of 113252370221 is 122073252311.

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 a de Polignac number, because none of the positive numbers 2^k-113252370221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113252370223) 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, 22264931 + ... + 22270016.

It is an arithmetic number, because the mean of its divisors is an integer number (28324226928).

Almost surely, 2^113252370221 is an apocalyptic number.

It is an amenable number.

113252370221 is a deficient number, since it is larger than the sum of its proper divisors (44537491).

113252370221 is an equidigital number, since it uses as much as digits as its factorization.

113252370221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44537490.

The product of its (nonzero) digits is 5040, while the sum is 29.

The spelling of 113252370221 in words is "one hundred thirteen billion, two hundred fifty-two million, three hundred seventy thousand, two hundred twenty-one".