2110120000021 has 32 divisors (see below), whose sum is σ = 2409887969280. Its totient is φ = 1828893211200.

The previous prime is 2110119999959. The next prime is 2110120000033. The reversal of 2110120000021 is 1200000210112.

It is not a de Polignac number, because 2110120000021 - 2²⁷ = 2109985782293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2110119999962 and 2110120000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110120000081) 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, 189770500 + ... + 189781618.

It is an arithmetic number, because the mean of its divisors is an integer number (75308999040).

Almost surely, 2^{2110120000021} is an apocalyptic number.

It is an amenable number.

2110120000021 is a deficient number, since it is larger than the sum of its proper divisors (299767969259).

2110120000021 is a wasteful number, since it uses less digits than its factorization.

2110120000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13537.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2110120000021 its reverse (1200000210112), we get a palindrome (3310120210133).

The spelling of 2110120000021 in words is "two trillion, one hundred ten billion, one hundred twenty million, twenty-one", and thus it is an aban number.