122222331109 has 2 divisors, whose sum is σ = 122222331110. Its totient is φ = 122222331108.

The previous prime is 122222330999. The next prime is 122222331167. The reversal of 122222331109 is 901133222221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100645659009 + 21576672100 = 317247^2 + 146890^2 .

It is an emirp because it is prime and its reverse (901133222221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122222331109 - 2⁹ = 122222330597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122222331409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61111165554 + 61111165555.

It is an arithmetic number, because the mean of its divisors is an integer number (61111165555).

Almost surely, 2^122222331109 is an apocalyptic number.

It is an amenable number.

122222331109 is a deficient number, since it is larger than the sum of its proper divisors (1).

122222331109 is an equidigital number, since it uses as much as digits as its factorization.

122222331109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 122222331109 in words is "one hundred twenty-two billion, two hundred twenty-two million, three hundred thirty-one thousand, one hundred nine".