220110112120100 has 36 divisors (see below), whose sum is σ = 477639742097364. Its totient is φ = 88043897604480.

The previous prime is 220110112120043. The next prime is 220110112120111. The reversal of 220110112120100 is 1021211011022.

It can be written as a sum of positive squares in 6 ways, for example, as 28238192137444 + 191871919982656 = 5313962^2 + 13851784^2 .

It is a super-2 number, since 2×220110112120100² (a number of 29 digits) contains 22 as substring.

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, 73662794 + ... + 76592606.

Almost surely, 2^{220110112120100} is an apocalyptic number.

220110112120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220110112120100 is an abundant number, since it is smaller than the sum of its proper divisors (257529629977264).

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

220110112120100 is a wasteful number, since it uses less digits than its factorization.

220110112120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3681104 (or 3681097 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 220110112120100 its reverse (1021211011022), we get a palindrome (221131323131122).

The spelling of 220110112120100 in words is "two hundred twenty trillion, one hundred ten billion, one hundred twelve million, one hundred twenty thousand, one hundred".