2110001012138 has 24 divisors (see below), whose sum is σ = 3214715537664. Its totient is φ = 1038655824000.

The previous prime is 2110001012137. The next prime is 2110001012173. The reversal of 2110001012138 is 8312101000112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2110001012137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3300713 + ... + 3887763.

It is an arithmetic number, because the mean of its divisors is an integer number (133946480736).

Almost surely, 2^{2110001012138} is an apocalyptic number.

2110001012138 is a deficient number, since it is larger than the sum of its proper divisors (1104714525526).

2110001012138 is an equidigital number, since it uses as much as digits as its factorization.

2110001012138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587438 (or 587341 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

The spelling of 2110001012138 in words is "two trillion, one hundred ten billion, one million, twelve thousand, one hundred thirty-eight".