113331322120 has 64 divisors (see below), whose sum is σ = 270040359600. Its totient is φ = 42658775040.

The previous prime is 113331322079. The next prime is 113331322123. The reversal of 113331322120 is 21223133311.

It can be written as a sum of positive squares in 8 ways, for example, as 100703406244 + 12627915876 = 317338^2 + 112374^2 .

It is a junction number, because it is equal to n+sod(n) for n = 113331322091 and 113331322100.

It is not an unprimeable number, because it can be changed into a prime (113331322123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5898930 + ... + 5918110.

Almost surely, 2^113331322120 is an apocalyptic number.

113331322120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113331322120 is an abundant number, since it is smaller than the sum of its proper divisors (156709037480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113331322120 is a wasteful number, since it uses less digits than its factorization.

113331322120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27898 (or 27894 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 113331322120 its reverse (21223133311), we get a palindrome (134554455431).

The spelling of 113331322120 in words is "one hundred thirteen billion, three hundred thirty-one million, three hundred twenty-two thousand, one hundred twenty".