111422422889 has 2 divisors, whose sum is σ = 111422422890. Its totient is φ = 111422422888.

The previous prime is 111422422861. The next prime is 111422422949. The reversal of 111422422889 is 988224224111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89365123600 + 22057299289 = 298940^2 + 148517^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111422422889 is a prime.

It is a super-2 number, since 2×111422422889² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (111422422849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55711211444 + 55711211445.

It is an arithmetic number, because the mean of its divisors is an integer number (55711211445).

Almost surely, 2^111422422889 is an apocalyptic number.

It is an amenable number.

111422422889 is a deficient number, since it is larger than the sum of its proper divisors (1).

111422422889 is an equidigital number, since it uses as much as digits as its factorization.

111422422889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147456, while the sum is 44.

The spelling of 111422422889 in words is "one hundred eleven billion, four hundred twenty-two million, four hundred twenty-two thousand, eight hundred eighty-nine".