113221320000 has 140 divisors (see below), whose sum is σ = 374336498976. Its totient is φ = 30192320000.

The previous prime is 113221319947. The next prime is 113221320011. The reversal of 113221320000 is 23122311.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 351756 + ... + 591755.

Almost surely, 2^113221320000 is an apocalyptic number.

113221320000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113221320000 is an abundant number, since it is smaller than the sum of its proper divisors (261115178976).

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

113221320000 is an frugal number, since it uses more digits than its factorization.

113221320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943546 (or 943521 counting only the distinct ones).

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

Adding to 113221320000 its reverse (23122311), we get a palindrome (113244442311).

The spelling of 113221320000 in words is "one hundred thirteen billion, two hundred twenty-one million, three hundred twenty thousand".