202201110220100 has 36 divisors (see below), whose sum is σ = 440597058230868. Its totient is φ = 80544840576000.

The previous prime is 202201110220069. The next prime is 202201110220139. The reversal of 202201110220100 is 1022011102202.

It can be written as a sum of positive squares in 6 ways, for example, as 17615681986816 + 184585428233284 = 4197104^2 + 13586222^2 .

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, 4195019681 + ... + 4195067880.

Almost surely, 2^{202201110220100} is an apocalyptic number.

202201110220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202201110220100 is an abundant number, since it is smaller than the sum of its proper divisors (238395948010768).

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

202201110220100 is a wasteful number, since it uses less digits than its factorization.

202201110220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8390087816 (or 8390087809 counting only the distinct ones).

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

Adding to 202201110220100 its reverse (1022011102202), we get a palindrome (203223121322302).

The spelling of 202201110220100 in words is "two hundred two trillion, two hundred one billion, one hundred ten million, two hundred twenty thousand, one hundred".