20220122911 has 2 divisors, whose sum is σ = 20220122912. Its totient is φ = 20220122910.

The previous prime is 20220122863. The next prime is 20220122953. The reversal of 20220122911 is 11922102202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20220122911 - 2³³ = 11630188319 is a prime.

It is a super-2 number, since 2×20220122911² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20220122011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110061455 + 10110061456.

It is an arithmetic number, because the mean of its divisors is an integer number (10110061456).

Almost surely, 2^20220122911 is an apocalyptic number.

20220122911 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220122911 is an equidigital number, since it uses as much as digits as its factorization.

20220122911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 20220122911 in words is "twenty billion, two hundred twenty million, one hundred twenty-two thousand, nine hundred eleven".