113032021200 has 120 divisors (see below), whose sum is σ = 413804877888. Its totient is φ = 25835888640.

The previous prime is 113032021147. The next prime is 113032021283. The reversal of 113032021200 is 2120230311.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 113032021200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6719697 + ... + 6736496.

Almost surely, 2^113032021200 is an apocalyptic number.

113032021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113032021200 is an abundant number, since it is smaller than the sum of its proper divisors (300772856688).

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

113032021200 is a wasteful number, since it uses less digits than its factorization.

113032021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13456221 (or 13456210 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 113032021200 its reverse (2120230311), we get a palindrome (115152251511).

The spelling of 113032021200 in words is "one hundred thirteen billion, thirty-two million, twenty-one thousand, two hundred".