204320213133111 has 12 divisors (see below), whose sum is σ = 295575685707640. Its totient is φ = 136007403594480.

The previous prime is 204320213133061. The next prime is 204320213133149. The reversal of 204320213133111 is 111331312023402.

204320213133111 is a `hidden beast` number, since 2 + 0 + 4 + 32 + 0 + 2 + 1 + 313 + 311 + 1 = 666.

It is not a de Polignac number, because 204320213133111 - 2¹⁴ = 204320213116727 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 (204320213133161) 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, 17172646021 + ... + 17172657918.

Almost surely, 2^{204320213133111} is an apocalyptic number.

204320213133111 is a deficient number, since it is larger than the sum of its proper divisors (91255472574529).

204320213133111 is a wasteful number, since it uses less digits than its factorization.

204320213133111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34345304606 (or 34345304603 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 204320213133111 its reverse (111331312023402), we get a palindrome (315651525156513).

The spelling of 204320213133111 in words is "two hundred four trillion, three hundred twenty billion, two hundred thirteen million, one hundred thirty-three thousand, one hundred eleven".