122112311 has 2 divisors, whose sum is σ = 122112312. Its totient is φ = 122112310.

The previous prime is 122112307. The next prime is 122112349. The reversal of 122112311 is 113211221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122112311 - 2² = 122112307 is a prime.

It is a super-2 number, since 2×122112311² = 29822832995521442, which contains 22 as substring.

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 (122112611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61056155 + 61056156.

It is an arithmetic number, because the mean of its divisors is an integer number (61056156).

Almost surely, 2^122112311 is an apocalyptic number.

122112311 is a deficient number, since it is larger than the sum of its proper divisors (1).

122112311 is an equidigital number, since it uses as much as digits as its factorization.

122112311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24, while the sum is 14.

The square root of 122112311 is about 11050.4439277343. The cubic root of 122112311 is about 496.1197126387.

Adding to 122112311 its reverse (113211221), we get a palindrome (235323532).

The spelling of 122112311 in words is "one hundred twenty-two million, one hundred twelve thousand, three hundred eleven".