204003201111 has 32 divisors (see below), whose sum is σ = 278401950720. Its totient is φ = 132847435776.

The previous prime is 204003201091. The next prime is 204003201161. The reversal of 204003201111 is 111102300402.

It is not a de Polignac number, because 204003201111 - 2²¹ = 204001103959 is a prime.

It is a super-2 number, since 2×204003201111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204003201161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10475095 + ... + 10494551.

It is an arithmetic number, because the mean of its divisors is an integer number (8700060960).

Almost surely, 2^204003201111 is an apocalyptic number.

204003201111 is a deficient number, since it is larger than the sum of its proper divisors (74398749609).

204003201111 is a wasteful number, since it uses less digits than its factorization.

204003201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20023.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 204003201111 its reverse (111102300402), we get a palindrome (315105501513).

The spelling of 204003201111 in words is "two hundred four billion, three million, two hundred one thousand, one hundred eleven".