112221213020 has 96 divisors (see below), whose sum is σ = 272192514048. Its totient is φ = 38067731712.

The previous prime is 112221212921. The next prime is 112221213031. The reversal of 112221213020 is 20312122211.

It is a self number, because there is not a number n which added to its sum of digits gives 112221213020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19709294 + ... + 19714986.

It is an arithmetic number, because the mean of its divisors is an integer number (2835338688).

Almost surely, 2^112221213020 is an apocalyptic number.

112221213020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112221213020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136096257024).

112221213020 is an abundant number, since it is smaller than the sum of its proper divisors (159971301028).

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

112221213020 is a wasteful number, since it uses less digits than its factorization.

112221213020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7179 (or 7177 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 112221213020 its reverse (20312122211), we get a palindrome (132533335231).

The spelling of 112221213020 in words is "one hundred twelve billion, two hundred twenty-one million, two hundred thirteen thousand, twenty".