12112101022111 has 2 divisors, whose sum is σ = 12112101022112. Its totient is φ = 12112101022110.

The previous prime is 12112101022069. The next prime is 12112101022127. The reversal of 12112101022111 is 11122010121121.

It is an a-pointer prime, because the next prime (12112101022127) can be obtained adding 12112101022111 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12112101022111 - 2⁹ = 12112101021599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12112101023111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056050511055 + 6056050511056.

It is an arithmetic number, because the mean of its divisors is an integer number (6056050511056).

Almost surely, 2^{12112101022111} is an apocalyptic number.

12112101022111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112101022111 is an equidigital number, since it uses as much as digits as its factorization.

12112101022111 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 16.

Adding to 12112101022111 its reverse (11122010121121), we get a palindrome (23234111143232).

The spelling of 12112101022111 in words is "twelve trillion, one hundred twelve billion, one hundred one million, twenty-two thousand, one hundred eleven".