100002112120120 has 128 divisors (see below), whose sum is σ = 266544824832000. Its totient is φ = 33042745497600.

The previous prime is 100002112119989. The next prime is 100002112120139. The reversal of 100002112120120 is 21021211200001.

It is a self number, because there is not a number n which added to its sum of digits gives 100002112120120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21810570 + ... + 25994329.

It is an arithmetic number, because the mean of its divisors is an integer number (2082381444000).

Almost surely, 2^{100002112120120} is an apocalyptic number.

100002112120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100002112120120 is an abundant number, since it is smaller than the sum of its proper divisors (166542712711880).

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

100002112120120 is a wasteful number, since it uses less digits than its factorization.

100002112120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47805189 (or 47805185 counting only the distinct ones).

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

Adding to 100002112120120 its reverse (21021211200001), we get a palindrome (121023323320121).

The spelling of 100002112120120 in words is "one hundred trillion, two billion, one hundred twelve million, one hundred twenty thousand, one hundred twenty".