122331012311 has 2 divisors, whose sum is σ = 122331012312. Its totient is φ = 122331012310.

The previous prime is 122331012277. The next prime is 122331012319. The reversal of 122331012311 is 113210133221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122331012311 - 2⁶ = 122331012247 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122331012319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61165506155 + 61165506156.

It is an arithmetic number, because the mean of its divisors is an integer number (61165506156).

Almost surely, 2^122331012311 is an apocalyptic number.

122331012311 is a deficient number, since it is larger than the sum of its proper divisors (1).

122331012311 is an equidigital number, since it uses as much as digits as its factorization.

122331012311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 122331012311 its reverse (113210133221), we get a palindrome (235541145532).

The spelling of 122331012311 in words is "one hundred twenty-two billion, three hundred thirty-one million, twelve thousand, three hundred eleven".