112121202002100 has 72 divisors (see below), whose sum is σ = 335590356363360. Its totient is φ = 28867987639680.

The previous prime is 112121202002039. The next prime is 112121202002107. The reversal of 112121202002100 is 1200202121211.

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 112121202002100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121202002107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6443738542 + ... + 6443755941.

Almost surely, 2^{112121202002100} is an apocalyptic number.

112121202002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112121202002100 is an abundant number, since it is smaller than the sum of its proper divisors (223469154361260).

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

112121202002100 is a wasteful number, since it uses less digits than its factorization.

112121202002100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12887494529 (or 12887494522 counting only the distinct ones).

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

Adding to 112121202002100 its reverse (1200202121211), we get a palindrome (113321404123311).

The spelling of 112121202002100 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred two million, two thousand, one hundred".