2122156042063 has 4 divisors (see below), whose sum is σ = 2134422840168. Its totient is φ = 2109889243960.

The previous prime is 2122156042051. The next prime is 2122156042133. The reversal of 2122156042063 is 3602406512212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122156042063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122156012063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6133398793 + ... + 6133399138.

It is an arithmetic number, because the mean of its divisors is an integer number (533605710042).

Almost surely, 2^{2122156042063} is an apocalyptic number.

2122156042063 is a deficient number, since it is larger than the sum of its proper divisors (12266798105).

2122156042063 is a wasteful number, since it uses less digits than its factorization.

2122156042063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12266798104.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 2122156042063 in words is "two trillion, one hundred twenty-two billion, one hundred fifty-six million, forty-two thousand, sixty-three".