112020012100 has 36 divisors (see below), whose sum is σ = 246012160464. Its totient is φ = 44268146080.

The previous prime is 112020012089. The next prime is 112020012103. The reversal of 112020012100 is 1210020211.

It is a super-2 number, since 2×112020012100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (112020012103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6739894 + ... + 6756493.

It is an arithmetic number, because the mean of its divisors is an integer number (6833671124).

Almost surely, 2^112020012100 is an apocalyptic number.

112020012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112020012100 is an abundant number, since it is smaller than the sum of its proper divisors (133992148364).

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

112020012100 is a wasteful number, since it uses less digits than its factorization.

112020012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13496484 (or 13496477 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 112020012100 its reverse (1210020211), we get a palindrome (113230032311).

The spelling of 112020012100 in words is "one hundred twelve billion, twenty million, twelve thousand, one hundred".