2110112121021 has 32 divisors (see below), whose sum is σ = 2984432967936. Its totient is φ = 1321571328000.

The previous prime is 2110112120971. The next prime is 2110112121071. The reversal of 2110112121021 is 1201212110112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2110112120971) and next prime (2110112121071).

It is a de Polignac number, because none of the positive numbers 2^k-2110112121021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110112121071) 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, 67875201 + ... + 67906281.

It is an arithmetic number, because the mean of its divisors is an integer number (93263530248).

Almost surely, 2^{2110112121021} is an apocalyptic number.

It is an amenable number.

2110112121021 is a deficient number, since it is larger than the sum of its proper divisors (874320846915).

2110112121021 is a wasteful number, since it uses less digits than its factorization.

2110112121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33493.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2110112121021 its reverse (1201212110112), we get a palindrome (3311324231133).

The spelling of 2110112121021 in words is "two trillion, one hundred ten billion, one hundred twelve million, one hundred twenty-one thousand, twenty-one".