3122123312111 has 2 divisors, whose sum is σ = 3122123312112. Its totient is φ = 3122123312110.

The previous prime is 3122123312083. The next prime is 3122123312201. The reversal of 3122123312111 is 1112133212213.

It is a happy number.

3122123312111 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3122123312111 - 2¹⁸ = 3122123049967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3122123312411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561061656055 + 1561061656056.

It is an arithmetic number, because the mean of its divisors is an integer number (1561061656056).

Almost surely, 2^{3122123312111} is an apocalyptic number.

3122123312111 is a deficient number, since it is larger than the sum of its proper divisors (1).

3122123312111 is an equidigital number, since it uses as much as digits as its factorization.

3122123312111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 23.

Adding to 3122123312111 its reverse (1112133212213), we get a palindrome (4234256524324).

The spelling of 3122123312111 in words is "three trillion, one hundred twenty-two billion, one hundred twenty-three million, three hundred twelve thousand, one hundred eleven".