112222021120109 has 2 divisors, whose sum is σ = 112222021120110. Its totient is φ = 112222021120108.

The previous prime is 112222021120073. The next prime is 112222021120171. The reversal of 112222021120109 is 901021120222211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110954095575625 + 1267925544484 = 10533475^2 + 1126022^2 .

It is a cyclic number.

It is not a de Polignac number, because 112222021120109 - 2²⁴ = 112222004342893 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112222021122109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56111010560054 + 56111010560055.

It is an arithmetic number, because the mean of its divisors is an integer number (56111010560055).

Almost surely, 2^{112222021120109} is an apocalyptic number.

It is an amenable number.

112222021120109 is a deficient number, since it is larger than the sum of its proper divisors (1).

112222021120109 is an equidigital number, since it uses as much as digits as its factorization.

112222021120109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 112222021120109 in words is "one hundred twelve trillion, two hundred twenty-two billion, twenty-one million, one hundred twenty thousand, one hundred nine".