2110012012091 has 2 divisors, whose sum is σ = 2110012012092. Its totient is φ = 2110012012090.

The previous prime is 2110012012061. The next prime is 2110012012151. The reversal of 2110012012091 is 1902102100112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2110012012091 is a prime.

It is not a weakly prime, because it can be changed into another prime (2110012012061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055006006045 + 1055006006046.

It is an arithmetic number, because the mean of its divisors is an integer number (1055006006046).

Almost surely, 2^{2110012012091} is an apocalyptic number.

2110012012091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110012012091 is an equidigital number, since it uses as much as digits as its factorization.

2110012012091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 2110012012091 in words is "two trillion, one hundred ten billion, twelve million, twelve thousand, ninety-one".