12222220211137 has 2 divisors, whose sum is σ = 12222220211138. Its totient is φ = 12222220211136.

The previous prime is 12222220211111. The next prime is 12222220211161. The reversal of 12222220211137 is 73111202222221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11305996028721 + 916224182416 = 3362439^2 + 957196^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222220211137 - 2³⁹ = 11672464397249 is a prime.

It is not a weakly prime, because it can be changed into another prime (12222220211737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111110105568 + 6111110105569.

It is an arithmetic number, because the mean of its divisors is an integer number (6111110105569).

Almost surely, 2^{12222220211137} is an apocalyptic number.

It is an amenable number.

12222220211137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222220211137 is an equidigital number, since it uses as much as digits as its factorization.

12222220211137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 12222220211137 its reverse (73111202222221), we get a palindrome (85333422433358).

The spelling of 12222220211137 in words is "twelve trillion, two hundred twenty-two billion, two hundred twenty million, two hundred eleven thousand, one hundred thirty-seven".