201002100000120 has 48 divisors (see below), whose sum is σ = 653256825001560. Its totient is φ = 53600559999936.

The previous prime is 201002100000113. The next prime is 201002100000199. The reversal of 201002100000120 is 21000001200102.

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, 279169582974 + ... + 279169583693.

Almost surely, 2^{201002100000120} is an apocalyptic number.

201002100000120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201002100000120 is an abundant number, since it is smaller than the sum of its proper divisors (452254725001440).

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

201002100000120 is a wasteful number, since it uses less digits than its factorization.

201002100000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558339166684 (or 558339166677 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 201002100000120 its reverse (21000001200102), we get a palindrome (222002101200222).

The spelling of 201002100000120 in words is "two hundred one trillion, two billion, one hundred million, one hundred twenty", and thus it is an aban number.