203113013122 has 16 divisors (see below), whose sum is σ = 305373911040. Its totient is φ = 101321805312.

The previous prime is 203113013119. The next prime is 203113013123. The reversal of 203113013122 is 221310311302.

It is a self number, because there is not a number n which added to its sum of digits gives 203113013122.

It is not an unprimeable number, because it can be changed into a prime (203113013123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4762063 + ... + 4804525.

It is an arithmetic number, because the mean of its divisors is an integer number (19085869440).

Almost surely, 2^203113013122 is an apocalyptic number.

203113013122 is a deficient number, since it is larger than the sum of its proper divisors (102260897918).

203113013122 is a wasteful number, since it uses less digits than its factorization.

203113013122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47937.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 203113013122 its reverse (221310311302), we get a palindrome (424423324424).

The spelling of 203113013122 in words is "two hundred three billion, one hundred thirteen million, thirteen thousand, one hundred twenty-two".