111010122209999 has 2 divisors, whose sum is σ = 111010122210000. Its totient is φ = 111010122209998.

The previous prime is 111010122209933. The next prime is 111010122210077. The reversal of 111010122209999 is 999902221010111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111010122209999 - 2²⁸ = 111009853774543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111010122209929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505061104999 + 55505061105000.

It is an arithmetic number, because the mean of its divisors is an integer number (55505061105000).

Almost surely, 2^{111010122209999} is an apocalyptic number.

111010122209999 is a deficient number, since it is larger than the sum of its proper divisors (1).

111010122209999 is an equidigital number, since it uses as much as digits as its factorization.

111010122209999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 47.

The spelling of 111010122209999 in words is "one hundred eleven trillion, ten billion, one hundred twenty-two million, two hundred nine thousand, nine hundred ninety-nine".