112221112020 has 48 divisors (see below), whose sum is σ = 314246442048. Its totient is φ = 29923027200.

The previous prime is 112221111983. The next prime is 112221112039. The reversal of 112221112020 is 20211122211.

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 15 ways as a sum of consecutive naturals, for example, 671952 + ... + 822168.

It is an arithmetic number, because the mean of its divisors is an integer number (6546800876).

Almost surely, 2^112221112020 is an apocalyptic number.

112221112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112221112020 is an abundant number, since it is smaller than the sum of its proper divisors (202025330028).

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

112221112020 is a wasteful number, since it uses less digits than its factorization.

112221112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162680 (or 162678 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 112221112020 its reverse (20211122211), we get a palindrome (132432234231).

The spelling of 112221112020 in words is "one hundred twelve billion, two hundred twenty-one million, one hundred twelve thousand, twenty".