101200101000120 has 48 divisors (see below), whose sum is σ = 328900328251560. Its totient is φ = 26986693599936.

The previous prime is 101200101000113. The next prime is 101200101000157. The reversal of 101200101000120 is 21000101002101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

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, 140555695474 + ... + 140555696193.

Almost surely, 2^{101200101000120} is an apocalyptic number.

101200101000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101200101000120 is an abundant number, since it is smaller than the sum of its proper divisors (227700227251440).

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

101200101000120 is a wasteful number, since it uses less digits than its factorization.

101200101000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281111391684 (or 281111391677 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 101200101000120 its reverse (21000101002101), we get a palindrome (122200202002221).

The spelling of 101200101000120 in words is "one hundred one trillion, two hundred billion, one hundred one million, one hundred twenty", and thus it is an aban number.