113224432220 has 12 divisors (see below), whose sum is σ = 237771307704. Its totient is φ = 45289772880.

The previous prime is 113224432109. The next prime is 113224432229. The reversal of 113224432220 is 22234422311.

It is a self number, because there is not a number n which added to its sum of digits gives 113224432220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113224432229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2830610786 + ... + 2830610825.

It is an arithmetic number, because the mean of its divisors is an integer number (19814275642).

Almost surely, 2^113224432220 is an apocalyptic number.

113224432220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113224432220 is an abundant number, since it is smaller than the sum of its proper divisors (124546875484).

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

113224432220 is a wasteful number, since it uses less digits than its factorization.

113224432220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5661221620 (or 5661221618 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 113224432220 its reverse (22234422311), we get a palindrome (135458854531).

Subtracting from 113224432220 its reverse (22234422311), we obtain a palindrome (90990009909).

The spelling of 113224432220 in words is "one hundred thirteen billion, two hundred twenty-four million, four hundred thirty-two thousand, two hundred twenty".