112222020120 has 128 divisors (see below), whose sum is σ = 385275709440. Its totient is φ = 25616448000.

The previous prime is 112222020101. The next prime is 112222020133. The reversal of 112222020120 is 21020222211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 112222020120.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 541894 + ... + 719786.

It is an arithmetic number, because the mean of its divisors is an integer number (3009966480).

Almost surely, 2^112222020120 is an apocalyptic number.

112222020120 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 112222020120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192637854720).

112222020120 is an abundant number, since it is smaller than the sum of its proper divisors (273053689320).

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

112222020120 is a wasteful number, since it uses less digits than its factorization.

112222020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178665 (or 178661 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 112222020120 its reverse (21020222211), we get a palindrome (133242242331).

The spelling of 112222020120 in words is "one hundred twelve billion, two hundred twenty-two million, twenty thousand, one hundred twenty".