113202110221 has 4 divisors (see below), whose sum is σ = 113243563744. Its totient is φ = 113160656700.

The previous prime is 113202110207. The next prime is 113202110233. The reversal of 113202110221 is 122011202311.

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-113202110221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113202110195 and 113202110204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113202110251) 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, 20722665 + ... + 20728126.

It is an arithmetic number, because the mean of its divisors is an integer number (28310890936).

Almost surely, 2^113202110221 is an apocalyptic number.

It is an amenable number.

113202110221 is a deficient number, since it is larger than the sum of its proper divisors (41453523).

113202110221 is an equidigital number, since it uses as much as digits as its factorization.

113202110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41453522.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 113202110221 its reverse (122011202311), we get a palindrome (235213312532).

The spelling of 113202110221 in words is "one hundred thirteen billion, two hundred two million, one hundred ten thousand, two hundred twenty-one".