122102222111 has 2 divisors, whose sum is σ = 122102222112. Its totient is φ = 122102222110.

The previous prime is 122102222071. The next prime is 122102222113. The reversal of 122102222111 is 111222201221.

It is a strong prime.

It is an emirp because it is prime and its reverse (111222201221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122102222111 is a prime.

Together with 122102222113, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122102222111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122102222113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61051111055 + 61051111056.

It is an arithmetic number, because the mean of its divisors is an integer number (61051111056).

Almost surely, 2^122102222111 is an apocalyptic number.

122102222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

122102222111 is an equidigital number, since it uses as much as digits as its factorization.

122102222111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122102222111 its reverse (111222201221), we get a palindrome (233324423332).

The spelling of 122102222111 in words is "one hundred twenty-two billion, one hundred two million, two hundred twenty-two thousand, one hundred eleven".