111020122200209 has 2 divisors, whose sum is σ = 111020122200210. Its totient is φ = 111020122200208.

The previous prime is 111020122200161. The next prime is 111020122200227. The reversal of 111020122200209 is 902002221020111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96130965529600 + 14889156670609 = 9804640^2 + 3858647^2 .

It is a cyclic number.

It is not a de Polignac number, because 111020122200209 - 2²⁸ = 111019853764753 is a prime.

It is not a weakly prime, because it can be changed into another prime (111020122208209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510061100104 + 55510061100105.

It is an arithmetic number, because the mean of its divisors is an integer number (55510061100105).

Almost surely, 2^{111020122200209} is an apocalyptic number.

It is an amenable number.

111020122200209 is a deficient number, since it is larger than the sum of its proper divisors (1).

111020122200209 is an equidigital number, since it uses as much as digits as its factorization.

111020122200209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 111020122200209 in words is "one hundred eleven trillion, twenty billion, one hundred twenty-two million, two hundred thousand, two hundred nine".