113221033020 has 72 divisors (see below), whose sum is σ = 344534548176. Its totient is φ = 30095799552.

The previous prime is 113221033001. The next prime is 113221033021. The reversal of 113221033020 is 20330122311.

113221033020 is a `hidden beast` number, since 1 + 1 + 322 + 10 + 330 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 113221032984 and 113221033002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113221033021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 948462 + ... + 1061141.

It is an arithmetic number, because the mean of its divisors is an integer number (4785202058).

Almost surely, 2^113221033020 is an apocalyptic number.

113221033020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113221033020 is an abundant number, since it is smaller than the sum of its proper divisors (231313515156).

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

113221033020 is a wasteful number, since it uses less digits than its factorization.

113221033020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009931 (or 2009926 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 113221033020 its reverse (20330122311), we get a palindrome (133551155331).

The spelling of 113221033020 in words is "one hundred thirteen billion, two hundred twenty-one million, thirty-three thousand, twenty".