113022112122 has 12 divisors (see below), whose sum is σ = 244881242970. Its totient is φ = 37674037368.

The previous prime is 113022112111. The next prime is 113022112139. The reversal of 113022112122 is 221211220311.

It can be written as a sum of positive squares in only one way, i.e., 58863979161 + 54158132961 = 242619^2 + 232719^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6279006229 = 113022112122 / (1 + 1 + 3 + 0 + 2 + 2 + 1 + 1 + 2 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 113022112095 and 113022112104.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3139503097 + ... + 3139503132.

Almost surely, 2^113022112122 is an apocalyptic number.

113022112122 is an abundant number, since it is smaller than the sum of its proper divisors (131859130848).

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

113022112122 is a wasteful number, since it uses less digits than its factorization.

113022112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6279006237 (or 6279006234 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 113022112122 its reverse (221211220311), we get a palindrome (334233332433).

The spelling of 113022112122 in words is "one hundred thirteen billion, twenty-two million, one hundred twelve thousand, one hundred twenty-two".