122113331111 has 2 divisors, whose sum is σ = 122113331112. Its totient is φ = 122113331110.

The previous prime is 122113331059. The next prime is 122113331117. The reversal of 122113331111 is 111133311221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122113331111 - 2¹⁴ = 122113314727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122113331117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61056665555 + 61056665556.

It is an arithmetic number, because the mean of its divisors is an integer number (61056665556).

Almost surely, 2^122113331111 is an apocalyptic number.

122113331111 is a deficient number, since it is larger than the sum of its proper divisors (1).

122113331111 is an equidigital number, since it uses as much as digits as its factorization.

122113331111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 20.

Adding to 122113331111 its reverse (111133311221), we get a palindrome (233246642332).

The spelling of 122113331111 in words is "one hundred twenty-two billion, one hundred thirteen million, three hundred thirty-one thousand, one hundred eleven".