22111111069 has 2 divisors, whose sum is σ = 22111111070. Its totient is φ = 22111111068.

The previous prime is 22111111021. The next prime is 22111111073. The reversal of 22111111069 is 96011111122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11883834169 + 10227276900 = 109013^2 + 101130^2 .

It is a cyclic number.

It is not a de Polignac number, because 22111111069 - 2²³ = 22102722461 is a prime.

It is a super-2 number, since 2×22111111069² (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 (22111111369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055555534 + 11055555535.

It is an arithmetic number, because the mean of its divisors is an integer number (11055555535).

Almost surely, 2^22111111069 is an apocalyptic number.

It is an amenable number.

22111111069 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111111069 is an equidigital number, since it uses as much as digits as its factorization.

22111111069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 25.

The spelling of 22111111069 in words is "twenty-two billion, one hundred eleven million, one hundred eleven thousand, sixty-nine".