122322131111 has 2 divisors, whose sum is σ = 122322131112. Its totient is φ = 122322131110.

The previous prime is 122322131077. The next prime is 122322131123. The reversal of 122322131111 is 111131223221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122322131111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122322131131) 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, 61161065555 + 61161065556.

It is an arithmetic number, because the mean of its divisors is an integer number (61161065556).

Almost surely, 2^122322131111 is an apocalyptic number.

122322131111 is a deficient number, since it is larger than the sum of its proper divisors (1).

122322131111 is an equidigital number, since it uses as much as digits as its factorization.

122322131111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 20.

Adding to 122322131111 its reverse (111131223221), we get a palindrome (233453354332).

The spelling of 122322131111 in words is "one hundred twenty-two billion, three hundred twenty-two million, one hundred thirty-one thousand, one hundred eleven".