10202101210120 has 16 divisors (see below), whose sum is σ = 22954727722860. Its totient is φ = 4080840484032.

The previous prime is 10202101210097. The next prime is 10202101210151. The reversal of 10202101210120 is 2101210120201.

It can be written as a sum of positive squares in 2 ways, for example, as 9956309351044 + 245791859076 = 3155362^2 + 495774^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10202101210120.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127526265087 + ... + 127526265166.

Almost surely, 2^{10202101210120} is an apocalyptic number.

10202101210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202101210120 is an abundant number, since it is smaller than the sum of its proper divisors (12752626512740).

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

10202101210120 is a wasteful number, since it uses less digits than its factorization.

10202101210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255052530264 (or 255052530260 counting only the distinct ones).

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

Adding to 10202101210120 its reverse (2101210120201), we get a palindrome (12303311330321).

The spelling of 10202101210120 in words is "ten trillion, two hundred two billion, one hundred one million, two hundred ten thousand, one hundred twenty".