122133112111 has 2 divisors, whose sum is σ = 122133112112. Its totient is φ = 122133112110.

The previous prime is 122133112097. The next prime is 122133112147. The reversal of 122133112111 is 111211331221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122133112111 - 2⁷ = 122133111983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122133112411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61066556055 + 61066556056.

It is an arithmetic number, because the mean of its divisors is an integer number (61066556056).

Almost surely, 2^122133112111 is an apocalyptic number.

122133112111 is a deficient number, since it is larger than the sum of its proper divisors (1).

122133112111 is an equidigital number, since it uses as much as digits as its factorization.

122133112111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72, while the sum is 19.

Adding to 122133112111 its reverse (111211331221), we get a palindrome (233344443332).

The spelling of 122133112111 in words is "one hundred twenty-two billion, one hundred thirty-three million, one hundred twelve thousand, one hundred eleven".