12220211113109 has 2 divisors, whose sum is σ = 12220211113110. Its totient is φ = 12220211113108.

The previous prime is 12220211113087. The next prime is 12220211113153. The reversal of 12220211113109 is 90131111202221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8269247896900 + 3950963216209 = 2875630^2 + 1987703^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12220211113109 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 (12220211113199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110105556554 + 6110105556555.

It is an arithmetic number, because the mean of its divisors is an integer number (6110105556555).

Almost surely, 2^{12220211113109} is an apocalyptic number.

It is an amenable number.

12220211113109 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220211113109 is an equidigital number, since it uses as much as digits as its factorization.

12220211113109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 12220211113109 in words is "twelve trillion, two hundred twenty billion, two hundred eleven million, one hundred thirteen thousand, one hundred nine".