122331031012111 has 2 divisors, whose sum is σ = 122331031012112. Its totient is φ = 122331031012110.

The previous prime is 122331031012109. The next prime is 122331031012163. The reversal of 122331031012111 is 111210130133221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122331031012111 - 2¹ = 122331031012109 is a prime.

It is a super-2 number, since 2×122331031012111² (a number of 29 digits) contains 22 as substring.

Together with 122331031012109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122331031022111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61165515506055 + 61165515506056.

It is an arithmetic number, because the mean of its divisors is an integer number (61165515506056).

Almost surely, 2^{122331031012111} is an apocalyptic number.

122331031012111 is a deficient number, since it is larger than the sum of its proper divisors (1).

122331031012111 is an equidigital number, since it uses as much as digits as its factorization.

122331031012111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 122331031012111 its reverse (111210130133221), we get a palindrome (233541161145332).

The spelling of 122331031012111 in words is "one hundred twenty-two trillion, three hundred thirty-one billion, thirty-one million, twelve thousand, one hundred eleven".