113111312022 has 12 divisors (see below), whose sum is σ = 245074509420. Its totient is φ = 37703770668.

The previous prime is 113111312021. The next prime is 113111312051. The reversal of 113111312022 is 220213111311.

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: 6283961779 = 113111312022 / (1 + 1 + 3 + 1 + 1 + 1 + 3 + 1 + 2 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 113111311986 and 113111312004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113111312021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3141980872 + ... + 3141980907.

It is an arithmetic number, because the mean of its divisors is an integer number (20422875785).

Almost surely, 2^113111312022 is an apocalyptic number.

113111312022 is an abundant number, since it is smaller than the sum of its proper divisors (131963197398).

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

113111312022 is a wasteful number, since it uses less digits than its factorization.

113111312022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6283961787 (or 6283961784 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 113111312022 its reverse (220213111311), we get a palindrome (333324423333).

The spelling of 113111312022 in words is "one hundred thirteen billion, one hundred eleven million, three hundred twelve thousand, twenty-two".