2102020010120 has 16 divisors (see below), whose sum is σ = 4729545022860. Its totient is φ = 840808004032.

The previous prime is 2102020010087. The next prime is 2102020010149. The reversal of 2102020010120 is 210100202012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2000170947076 + 101849063044 = 1414274^2 + 319138^2 .

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, 26275250087 + ... + 26275250166.

Almost surely, 2^{2102020010120} is an apocalyptic number.

2102020010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102020010120 is an abundant number, since it is smaller than the sum of its proper divisors (2627525012740).

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

2102020010120 is a wasteful number, since it uses less digits than its factorization.

2102020010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52550500264 (or 52550500260 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2102020010120 its reverse (210100202012), we get a palindrome (2312120212132).

The spelling of 2102020010120 in words is "two trillion, one hundred two billion, twenty million, ten thousand, one hundred twenty".