122122312231 has 2 divisors, whose sum is σ = 122122312232. Its totient is φ = 122122312230.

The previous prime is 122122312219. The next prime is 122122312253. The reversal of 122122312231 is 132213221221.

It is an a-pointer prime, because the next prime (122122312253) can be obtained adding 122122312231 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122122312231 - 2¹¹ = 122122310183 is a prime.

It is a super-2 number, since 2×122122312231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122122312211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61061156115 + 61061156116.

It is an arithmetic number, because the mean of its divisors is an integer number (61061156116).

Almost surely, 2^122122312231 is an apocalyptic number.

122122312231 is a deficient number, since it is larger than the sum of its proper divisors (1).

122122312231 is an equidigital number, since it uses as much as digits as its factorization.

122122312231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 22.

Adding to 122122312231 its reverse (132213221221), we get a palindrome (254335533452).

The spelling of 122122312231 in words is "one hundred twenty-two billion, one hundred twenty-two million, three hundred twelve thousand, two hundred thirty-one".