113033021200 has 90 divisors (see below), whose sum is σ = 298493713322. Its totient is φ = 41102899200.

The previous prime is 113033021183. The next prime is 113033021249. The reversal of 113033021200 is 2120330311.

It can be written as a sum of positive squares in 3 ways, for example, as 354644224 + 112678376976 = 18832^2 + 335676^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1119297 + ... + 1216096.

Almost surely, 2^113033021200 is an apocalyptic number.

113033021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113033021200 is an abundant number, since it is smaller than the sum of its proper divisors (185460692122).

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

113033021200 is a wasteful number, since it uses less digits than its factorization.

113033021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2335433 (or 2335411 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 113033021200 its reverse (2120330311), we get a palindrome (115153351511).

The spelling of 113033021200 in words is "one hundred thirteen billion, thirty-three million, twenty-one thousand, two hundred".