112122120020 has 24 divisors (see below), whose sum is σ = 236817479304. Its totient is φ = 44589604736.

The previous prime is 112122119999. The next prime is 112122120043. The reversal of 112122120020 is 20021221211.

It can be written as a sum of positive squares in 4 ways, for example, as 18282825796 + 93839294224 = 135214^2 + 306332^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112122119977 and 112122120004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16199159 + ... + 16206078.

It is an arithmetic number, because the mean of its divisors is an integer number (9867394971).

Almost surely, 2^112122120020 is an apocalyptic number.

112122120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112122120020 is an abundant number, since it is smaller than the sum of its proper divisors (124695359284).

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

112122120020 is a wasteful number, since it uses less digits than its factorization.

112122120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32405419 (or 32405417 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112122120020 its reverse (20021221211), we get a palindrome (132143341231).

The spelling of 112122120020 in words is "one hundred twelve billion, one hundred twenty-two million, one hundred twenty thousand, twenty".