12112211102137 has 2 divisors, whose sum is σ = 12112211102138. Its totient is φ = 12112211102136.

The previous prime is 12112211102111. The next prime is 12112211102203. The reversal of 12112211102137 is 73120111221121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10736507308921 + 1375703793216 = 3276661^2 + 1172904^2 .

It is an emirp because it is prime and its reverse (73120111221121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12112211102137 - 2¹⁵ = 12112211069369 is a prime.

It is not a weakly prime, because it can be changed into another prime (12112211102737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056105551068 + 6056105551069.

It is an arithmetic number, because the mean of its divisors is an integer number (6056105551069).

Almost surely, 2^{12112211102137} is an apocalyptic number.

It is an amenable number.

12112211102137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112211102137 is an equidigital number, since it uses as much as digits as its factorization.

12112211102137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 25.

Adding to 12112211102137 its reverse (73120111221121), we get a palindrome (85232322323258).

The spelling of 12112211102137 in words is "twelve trillion, one hundred twelve billion, two hundred eleven million, one hundred two thousand, one hundred thirty-seven".