203113104111 has 12 divisors (see below), whose sum is σ = 293405232120. Its totient is φ = 135399672720.

The previous prime is 203113104071. The next prime is 203113104143. The reversal of 203113104111 is 111401311302.

It is a happy number.

203113104111 is a `hidden beast` number, since 2 + 0 + 311 + 310 + 41 + 1 + 1 = 666.

It is not a de Polignac number, because 203113104111 - 2¹⁹ = 203112579823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203113104151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 611916 + ... + 883553.

It is an arithmetic number, because the mean of its divisors is an integer number (24450436010).

Almost surely, 2^203113104111 is an apocalyptic number.

203113104111 is a deficient number, since it is larger than the sum of its proper divisors (90292128009).

203113104111 is a wasteful number, since it uses less digits than its factorization.

203113104111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510566 (or 1510563 counting only the distinct ones).

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

Adding to 203113104111 its reverse (111401311302), we get a palindrome (314514415413).

The spelling of 203113104111 in words is "two hundred three billion, one hundred thirteen million, one hundred four thousand, one hundred eleven".