203113112022 has 48 divisors (see below), whose sum is σ = 455877480240. Its totient is φ = 65310854400.

The previous prime is 203113111969. The next prime is 203113112077. The reversal of 203113112022 is 220211311302.

203113112022 is a `hidden beast` number, since 2 + 0 + 311 + 311 + 20 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 203113111986 and 203113112004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1480504 + ... + 1611867.

It is an arithmetic number, because the mean of its divisors is an integer number (9497447505).

Almost surely, 2^203113112022 is an apocalyptic number.

203113112022 is an abundant number, since it is smaller than the sum of its proper divisors (252764368218).

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

203113112022 is a wasteful number, since it uses less digits than its factorization.

203113112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092509 (or 3092506 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 203113112022 its reverse (220211311302), we get a palindrome (423324423324).

The spelling of 203113112022 in words is "two hundred three billion, one hundred thirteen million, one hundred twelve thousand, twenty-two".