2110022002391 has 2 divisors, whose sum is σ = 2110022002392. Its totient is φ = 2110022002390.

The previous prime is 2110022002331. The next prime is 2110022002393. The reversal of 2110022002391 is 1932002200112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2110022002391 is a prime.

Together with 2110022002393, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2110022002393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055011001195 + 1055011001196.

It is an arithmetic number, because the mean of its divisors is an integer number (1055011001196).

Almost surely, 2^{2110022002391} is an apocalyptic number.

2110022002391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110022002391 is an equidigital number, since it uses as much as digits as its factorization.

2110022002391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 2110022002391 in words is "two trillion, one hundred ten billion, twenty-two million, two thousand, three hundred ninety-one".