203012324111 has 16 divisors (see below), whose sum is σ = 206213439168. Its totient is φ = 199835904000.

The previous prime is 203012324069. The next prime is 203012324117. The reversal of 203012324111 is 111423210302.

It is a cyclic number.

It is not a de Polignac number, because 203012324111 - 2²⁶ = 202945215247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203012324117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55299806 + ... + 55303476.

It is an arithmetic number, because the mean of its divisors is an integer number (12888339948).

Almost surely, 2^203012324111 is an apocalyptic number.

203012324111 is a deficient number, since it is larger than the sum of its proper divisors (3201115057).

203012324111 is a wasteful number, since it uses less digits than its factorization.

203012324111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6802.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 203012324111 its reverse (111423210302), we get a palindrome (314435534413).

The spelling of 203012324111 in words is "two hundred three billion, twelve million, three hundred twenty-four thousand, one hundred eleven".