2112010200021 has 32 divisors (see below), whose sum is σ = 2978063262720. Its totient is φ = 1329491404800.

The previous prime is 2112010200019. The next prime is 2112010200029. The reversal of 2112010200021 is 1200020102112.

It is not a de Polignac number, because 2112010200021 - 2¹ = 2112010200019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112010200029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 291516 + ... + 2075813.

It is an arithmetic number, because the mean of its divisors is an integer number (93064476960).

Almost surely, 2^{2112010200021} is an apocalyptic number.

It is an amenable number.

2112010200021 is a deficient number, since it is larger than the sum of its proper divisors (866053062699).

2112010200021 is a wasteful number, since it uses less digits than its factorization.

2112010200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367597.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2112010200021 its reverse (1200020102112), we get a palindrome (3312030302133).

The spelling of 2112010200021 in words is "two trillion, one hundred twelve billion, ten million, two hundred thousand, twenty-one".