112021222220120 has 128 divisors (see below), whose sum is σ = 253769299660800. Its totient is φ = 44503604160000.

The previous prime is 112021222219993. The next prime is 112021222220213. The reversal of 112021222220120 is 21022222120211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 112021222220092 and 112021222220101.

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, 6290844257 + ... + 6290862063.

It is an arithmetic number, because the mean of its divisors is an integer number (1982572653600).

Almost surely, 2^{112021222220120} is an apocalyptic number.

112021222220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112021222220120 is an abundant number, since it is smaller than the sum of its proper divisors (141748077440680).

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

112021222220120 is a wasteful number, since it uses less digits than its factorization.

112021222220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19809 (or 19805 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 112021222220120 its reverse (21022222120211), we get a palindrome (133043444340331).

Subtracting from 112021222220120 its reverse (21022222120211), we obtain a palindrome (90999000099909).

The spelling of 112021222220120 in words is "one hundred twelve trillion, twenty-one billion, two hundred twenty-two million, two hundred twenty thousand, one hundred twenty".