111122023169 has 2 divisors, whose sum is σ = 111122023170. Its totient is φ = 111122023168.

The previous prime is 111122023157. The next prime is 111122023219. The reversal of 111122023169 is 961320221111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104272805569 + 6849217600 = 322913^2 + 82760^2 .

It is a cyclic number.

It is not a de Polignac number, because 111122023169 - 2¹⁶ = 111121957633 is a prime.

It is a super-2 number, since 2×111122023169² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111122028169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55561011584 + 55561011585.

It is an arithmetic number, because the mean of its divisors is an integer number (55561011585).

Almost surely, 2^111122023169 is an apocalyptic number.

It is an amenable number.

111122023169 is a deficient number, since it is larger than the sum of its proper divisors (1).

111122023169 is an equidigital number, since it uses as much as digits as its factorization.

111122023169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 111122023169 in words is "one hundred eleven billion, one hundred twenty-two million, twenty-three thousand, one hundred sixty-nine".