122222102111 has 2 divisors, whose sum is σ = 122222102112. Its totient is φ = 122222102110.

The previous prime is 122222102069. The next prime is 122222102113. The reversal of 122222102111 is 111201222221.

It is a strong prime.

It is an emirp because it is prime and its reverse (111201222221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122222102111 - 2³⁰ = 121148360287 is a prime.

Together with 122222102113, 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 122222102111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122222102113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61111051055 + 61111051056.

It is an arithmetic number, because the mean of its divisors is an integer number (61111051056).

Almost surely, 2^122222102111 is an apocalyptic number.

122222102111 is a deficient number, since it is larger than the sum of its proper divisors (1).

122222102111 is an equidigital number, since it uses as much as digits as its factorization.

122222102111 is an evil number, because the sum of its binary digits is even.

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

Adding to 122222102111 its reverse (111201222221), we get a palindrome (233423324332).

The spelling of 122222102111 in words is "one hundred twenty-two billion, two hundred twenty-two million, one hundred two thousand, one hundred eleven".