20202101112100 has 36 divisors (see below), whose sum is σ = 44183744948224. Its totient is φ = 8017211774880.

The previous prime is 20202101112041. The next prime is 20202101112139. The reversal of 20202101112100 is 121110120202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 795345612 + ... + 795371011.

Almost surely, 2^{20202101112100} is an apocalyptic number.

20202101112100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202101112100 is an abundant number, since it is smaller than the sum of its proper divisors (23981643836124).

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

20202101112100 is a wasteful number, since it uses less digits than its factorization.

20202101112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590716764 (or 1590716757 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20202101112100 its reverse (121110120202), we get a palindrome (20323211232302).

The spelling of 20202101112100 in words is "twenty trillion, two hundred two billion, one hundred one million, one hundred twelve thousand, one hundred".