113303133221 has 4 divisors (see below), whose sum is σ = 113308968192. Its totient is φ = 113297298252.

The previous prime is 113303133217. The next prime is 113303133227. The reversal of 113303133221 is 122331303311.

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 113303133221 - 2² = 113303133217 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 (113303133227) 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, 2888261 + ... + 2927226.

It is an arithmetic number, because the mean of its divisors is an integer number (28327242048).

Almost surely, 2^113303133221 is an apocalyptic number.

It is an amenable number.

113303133221 is a deficient number, since it is larger than the sum of its proper divisors (5834971).

113303133221 is an equidigital number, since it uses as much as digits as its factorization.

113303133221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5834970.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 113303133221 its reverse (122331303311), we get a palindrome (235634436532).

The spelling of 113303133221 in words is "one hundred thirteen billion, three hundred three million, one hundred thirty-three thousand, two hundred twenty-one".