122311143223109 has 2 divisors, whose sum is σ = 122311143223110. Its totient is φ = 122311143223108.

The previous prime is 122311143223063. The next prime is 122311143223133. The reversal of 122311143223109 is 901322341113221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102524170678084 + 19786972545025 = 10125422^2 + 4448255^2 .

It is a cyclic number.

It is not a de Polignac number, because 122311143223109 - 2⁴⁰ = 121211631595333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122311143223909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61155571611554 + 61155571611555.

It is an arithmetic number, because the mean of its divisors is an integer number (61155571611555).

Almost surely, 2^{122311143223109} is an apocalyptic number.

It is an amenable number.

122311143223109 is a deficient number, since it is larger than the sum of its proper divisors (1).

122311143223109 is an equidigital number, since it uses as much as digits as its factorization.

122311143223109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 122311143223109 in words is "one hundred twenty-two trillion, three hundred eleven billion, one hundred forty-three million, two hundred twenty-three thousand, one hundred nine".