12112201202111 has 2 divisors, whose sum is σ = 12112201202112. Its totient is φ = 12112201202110.

The previous prime is 12112201202081. The next prime is 12112201202117. The reversal of 12112201202111 is 11120210221121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12112201202111 - 2²⁶ = 12112134093247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12112201202111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12112201202117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056100601055 + 6056100601056.

It is an arithmetic number, because the mean of its divisors is an integer number (6056100601056).

Almost surely, 2^{12112201202111} is an apocalyptic number.

12112201202111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112201202111 is an equidigital number, since it uses as much as digits as its factorization.

12112201202111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12112201202111 its reverse (11120210221121), we get a palindrome (23232411423232).

The spelling of 12112201202111 in words is "twelve trillion, one hundred twelve billion, two hundred one million, two hundred two thousand, one hundred eleven".