100200021122100 has 72 divisors (see below), whose sum is σ = 289940742827008. Its totient is φ = 26717362156800.

The previous prime is 100200021122099. The next prime is 100200021122107. The reversal of 100200021122100 is 1221120002001.

It is a super-2 number, since 2×100200021122100² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100200021122107) 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, 13483369 + ... + 19549968.

Almost surely, 2^{100200021122100} is an apocalyptic number.

100200021122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100200021122100 is an abundant number, since it is smaller than the sum of its proper divisors (189740721704908).

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

100200021122100 is a wasteful number, since it uses less digits than its factorization.

100200021122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33043465 (or 33043458 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 100200021122100 its reverse (1221120002001), we get a palindrome (101421141124101).

The spelling of 100200021122100 in words is "one hundred trillion, two hundred billion, twenty-one million, one hundred twenty-two thousand, one hundred".