203122324111144 has 16 divisors (see below), whose sum is σ = 381308296168800. Its totient is φ = 101440111799472.

The previous prime is 203122324111033. The next prime is 203122324111153. The reversal of 203122324111144 is 441111423221302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15131274882 + ... + 15131288305.

It is an arithmetic number, because the mean of its divisors is an integer number (23831768510550).

Almost surely, 2^{203122324111144} is an apocalyptic number.

It is an amenable number.

203122324111144 is a deficient number, since it is larger than the sum of its proper divisors (178185972057656).

203122324111144 is a wasteful number, since it uses less digits than its factorization.

203122324111144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30262564032 (or 30262564028 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 203122324111144 its reverse (441111423221302), we get a palindrome (644233747332446).

The spelling of 203122324111144 in words is "two hundred three trillion, one hundred twenty-two billion, three hundred twenty-four million, one hundred eleven thousand, one hundred forty-four".