100120112010220 has 24 divisors (see below), whose sum is σ = 211124651145408. Its totient is φ = 39881870342400.

The previous prime is 100120112010151. The next prime is 100120112010241. The reversal of 100120112010220 is 22010211021001.

It is a self number, because there is not a number n which added to its sum of digits gives 100120112010220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10385898916 + ... + 10385908555.

It is an arithmetic number, because the mean of its divisors is an integer number (8796860464392).

Almost surely, 2^{100120112010220} is an apocalyptic number.

100120112010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100120112010220 is an abundant number, since it is smaller than the sum of its proper divisors (111004539135188).

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

100120112010220 is a wasteful number, since it uses less digits than its factorization.

100120112010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20771807721 (or 20771807719 counting only the distinct ones).

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

Adding to 100120112010220 its reverse (22010211021001), we get a palindrome (122130323031221).

The spelling of 100120112010220 in words is "one hundred trillion, one hundred twenty billion, one hundred twelve million, ten thousand, two hundred twenty".