220002100000100 has 72 divisors (see below), whose sum is σ = 520813541716608. Its totient is φ = 79999447132800.

The previous prime is 220002100000099. The next prime is 220002100000129. The reversal of 220002100000100 is 1000001200022.

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, 66511637 + ... + 69740963.

Almost surely, 2^{220002100000100} is an apocalyptic number.

220002100000100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220002100000100 is an abundant number, since it is smaller than the sum of its proper divisors (300811441716508).

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

220002100000100 is a wasteful number, since it uses less digits than its factorization.

220002100000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291285 (or 3291278 counting only the distinct ones).

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

Adding to 220002100000100 its reverse (1000001200022), we get a palindrome (221002101200122).

The spelling of 220002100000100 in words is "two hundred twenty trillion, two billion, one hundred million, one hundred", and thus it is an aban number.