122303111009 has 2 divisors, whose sum is σ = 122303111010. Its totient is φ = 122303111008.

The previous prime is 122303110981. The next prime is 122303111011. The reversal of 122303111009 is 900111303221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104310912784 + 17992198225 = 322972^2 + 134135^2 .

It is a cyclic number.

It is not a de Polignac number, because 122303111009 - 2⁸ = 122303110753 is a prime.

Together with 122303111011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122303111039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61151555504 + 61151555505.

It is an arithmetic number, because the mean of its divisors is an integer number (61151555505).

Almost surely, 2^122303111009 is an apocalyptic number.

It is an amenable number.

122303111009 is a deficient number, since it is larger than the sum of its proper divisors (1).

122303111009 is an equidigital number, since it uses as much as digits as its factorization.

122303111009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 122303111009 in words is "one hundred twenty-two billion, three hundred three million, one hundred eleven thousand, nine".