220102202101100 has 72 divisors (see below), whose sum is σ = 521044561774128. Its totient is φ = 80036761708800.

The previous prime is 220102202101081. The next prime is 220102202101123. The reversal of 220102202101100 is 1101202201022.

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, 299419202 + ... + 300153398.

Almost surely, 2^{220102202101100} is an apocalyptic number.

220102202101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220102202101100 is an abundant number, since it is smaller than the sum of its proper divisors (300942359673028).

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

220102202101100 is a wasteful number, since it uses less digits than its factorization.

220102202101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006755 (or 1006748 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220102202101100 its reverse (1101202201022), we get a palindrome (221203404302122).

The spelling of 220102202101100 in words is "two hundred twenty trillion, one hundred two billion, two hundred two million, one hundred one thousand, one hundred".