100020221002100 has 72 divisors (see below), whose sum is σ = 248058490198848. Its totient is φ = 34291493913600.

The previous prime is 100020221002033. The next prime is 100020221002213. The reversal of 100020221002100 is 1200122020001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18556979 + ... + 23332421.

Almost surely, 2^{100020221002100} is an apocalyptic number.

100020221002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100020221002100 is an abundant number, since it is smaller than the sum of its proper divisors (148038269196748).

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

100020221002100 is a wasteful number, since it uses less digits than its factorization.

100020221002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4805385 (or 4805378 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100020221002100 its reverse (1200122020001), we get a palindrome (101220343022101).

The spelling of 100020221002100 in words is "one hundred trillion, twenty billion, two hundred twenty-one million, two thousand, one hundred".