20113022321129 has 2 divisors, whose sum is σ = 20113022321130. Its totient is φ = 20113022321128.

The previous prime is 20113022321113. The next prime is 20113022321141. The reversal of 20113022321129 is 92112322031102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17520519805504 + 2592502515625 = 4185752^2 + 1610125^2 .

It is a cyclic number.

It is not a de Polignac number, because 20113022321129 - 2⁴ = 20113022321113 is a prime.

It is not a weakly prime, because it can be changed into another prime (20113022321179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056511160564 + 10056511160565.

It is an arithmetic number, because the mean of its divisors is an integer number (10056511160565).

Almost surely, 2^{20113022321129} is an apocalyptic number.

It is an amenable number.

20113022321129 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113022321129 is an equidigital number, since it uses as much as digits as its factorization.

20113022321129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 20113022321129 in words is "twenty trillion, one hundred thirteen billion, twenty-two million, three hundred twenty-one thousand, one hundred twenty-nine".