12112102112111 has 2 divisors, whose sum is σ = 12112102112112. Its totient is φ = 12112102112110.

The previous prime is 12112102112053. The next prime is 12112102112177. The reversal of 12112102112111 is 11121120121121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12112102112111 - 2²⁶ = 12112035003247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12112102112111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12112102117111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056051056055 + 6056051056056.

It is an arithmetic number, because the mean of its divisors is an integer number (6056051056056).

Almost surely, 2^{12112102112111} is an apocalyptic number.

12112102112111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112102112111 is an equidigital number, since it uses as much as digits as its factorization.

12112102112111 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12112102112111 its reverse (11121120121121), we get a palindrome (23233222233232).

The spelling of 12112102112111 in words is "twelve trillion, one hundred twelve billion, one hundred two million, one hundred twelve thousand, one hundred eleven".