12110112122111 has 2 divisors, whose sum is σ = 12110112122112. Its totient is φ = 12110112122110.

The previous prime is 12110112122093. The next prime is 12110112122113. The reversal of 12110112122111 is 11122121101121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12110112122111 - 2¹⁰ = 12110112121087 is a prime.

It is a super-2 number, since 2×12110112122111² (a number of 27 digits) contains 22 as substring.

Together with 12110112122113, 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 12110112122111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12110112122113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055056061055 + 6055056061056.

It is an arithmetic number, because the mean of its divisors is an integer number (6055056061056).

Almost surely, 2^{12110112122111} is an apocalyptic number.

12110112122111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12110112122111 is an equidigital number, since it uses as much as digits as its factorization.

12110112122111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 12110112122111 its reverse (11122121101121), we get a palindrome (23232233223232).

The spelling of 12110112122111 in words is "twelve trillion, one hundred ten billion, one hundred twelve million, one hundred twenty-two thousand, one hundred eleven".