123331101322111 has 2 divisors, whose sum is σ = 123331101322112. Its totient is φ = 123331101322110.

The previous prime is 123331101322087. The next prime is 123331101322133. The reversal of 123331101322111 is 111223101133321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123331101322111 - 2¹³ = 123331101313919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123331101322151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61665550661055 + 61665550661056.

It is an arithmetic number, because the mean of its divisors is an integer number (61665550661056).

Almost surely, 2^{123331101322111} is an apocalyptic number.

123331101322111 is a deficient number, since it is larger than the sum of its proper divisors (1).

123331101322111 is an equidigital number, since it uses as much as digits as its factorization.

123331101322111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 123331101322111 its reverse (111223101133321), we get a palindrome (234554202455432).

The spelling of 123331101322111 in words is "one hundred twenty-three trillion, three hundred thirty-one billion, one hundred one million, three hundred twenty-two thousand, one hundred eleven".