113133021200 has 60 divisors (see below), whose sum is σ = 287790458580. Its totient is φ = 42591252480.

The previous prime is 113133021191. The next prime is 113133021259. The reversal of 113133021200 is 2120331311.

It can be written as a sum of positive squares in 6 ways, for example, as 14403840256 + 98729180944 = 120016^2 + 314212^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8311805 + ... + 8325404.

It is an arithmetic number, because the mean of its divisors is an integer number (4796507643).

Almost surely, 2^113133021200 is an apocalyptic number.

113133021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113133021200 is an abundant number, since it is smaller than the sum of its proper divisors (174657437380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113133021200 is a wasteful number, since it uses less digits than its factorization.

113133021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16637244 (or 16637233 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 113133021200 its reverse (2120331311), we get a palindrome (115253352511).

The spelling of 113133021200 in words is "one hundred thirteen billion, one hundred thirty-three million, twenty-one thousand, two hundred".