204111112 has 16 divisors (see below), whose sum is σ = 405220860. Its totient is φ = 96052224.

The previous prime is 204111107. The next prime is 204111113. The reversal of 204111112 is 211111402.

204111112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 204089796 + 21316 = 14286^2 + 146^2 .

It is a super-2 number, since 2×204111112² = 83322692083753088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204111092 and 204111101.

It is not an unprimeable number, because it can be changed into a prime (204111113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 750273 + ... + 750544.

Almost surely, 2^204111112 is an apocalyptic number.

It is an amenable number.

204111112 is a deficient number, since it is larger than the sum of its proper divisors (201109748).

204111112 is a wasteful number, since it uses less digits than its factorization.

204111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500840 (or 1500836 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 204111112 is about 14286.7460256001. The cubic root of 204111112 is about 588.7833897848.

Adding to 204111112 its reverse (211111402), we get a palindrome (415222514).

The spelling of 204111112 in words is "two hundred four million, one hundred eleven thousand, one hundred twelve".