204320103104111 has 12 divisors (see below), whose sum is σ = 213700321843848. Its totient is φ = 195335514043824.

The previous prime is 204320103104059. The next prime is 204320103104129. The reversal of 204320103104111 is 111401301023402.

It is a de Polignac number, because none of the positive numbers 2^k-204320103104111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204320103104141) 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, 98883905 + ... + 100929018.

It is an arithmetic number, because the mean of its divisors is an integer number (17808360153654).

Almost surely, 2^{204320103104111} is an apocalyptic number.

204320103104111 is a deficient number, since it is larger than the sum of its proper divisors (9380218739737).

204320103104111 is a wasteful number, since it uses less digits than its factorization.

204320103104111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199814902 (or 199814879 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 204320103104111 its reverse (111401301023402), we get a palindrome (315721404127513).

The spelling of 204320103104111 in words is "two hundred four trillion, three hundred twenty billion, one hundred three million, one hundred four thousand, one hundred eleven".