112221033220 has 24 divisors (see below), whose sum is σ = 236693280600. Its totient is φ = 44692392192.

The previous prime is 112221033187. The next prime is 112221033247. The reversal of 112221033220 is 22330122211.

It can be written as a sum of positive squares in 4 ways, for example, as 12740088384 + 99480944836 = 112872^2 + 315406^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12246625 + ... + 12255784.

It is an arithmetic number, because the mean of its divisors is an integer number (9862220025).

Almost surely, 2^112221033220 is an apocalyptic number.

112221033220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112221033220 is an abundant number, since it is smaller than the sum of its proper divisors (124472247380).

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

112221033220 is a wasteful number, since it uses less digits than its factorization.

112221033220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24502647 (or 24502645 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 112221033220 its reverse (22330122211), we get a palindrome (134551155431).

The spelling of 112221033220 in words is "one hundred twelve billion, two hundred twenty-one million, thirty-three thousand, two hundred twenty".