220122111169 has 2 divisors, whose sum is σ = 220122111170. Its totient is φ = 220122111168.

The previous prime is 220122111151. The next prime is 220122111173. The reversal of 220122111169 is 961111221022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182141168400 + 37980942769 = 426780^2 + 194887^2 .

It is a cyclic number.

It is not a de Polignac number, because 220122111169 - 2¹⁷ = 220121980097 is a prime.

It is a super-2 number, since 2×220122111169² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220122111269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110061055584 + 110061055585.

It is an arithmetic number, because the mean of its divisors is an integer number (110061055585).

Almost surely, 2^220122111169 is an apocalyptic number.

It is an amenable number.

220122111169 is a deficient number, since it is larger than the sum of its proper divisors (1).

220122111169 is an equidigital number, since it uses as much as digits as its factorization.

220122111169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 220122111169 in words is "two hundred twenty billion, one hundred twenty-two million, one hundred eleven thousand, one hundred sixty-nine".