2122202201257 has 2 divisors, whose sum is σ = 2122202201258. Its totient is φ = 2122202201256.

The previous prime is 2122202201179. The next prime is 2122202201267. The reversal of 2122202201257 is 7521022022212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1683301251241 + 438900950016 = 1297421^2 + 662496^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122202201257 - 2²³ = 2122193812649 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122202201267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061101100628 + 1061101100629.

It is an arithmetic number, because the mean of its divisors is an integer number (1061101100629).

Almost surely, 2^{2122202201257} is an apocalyptic number.

It is an amenable number.

2122202201257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122202201257 is an equidigital number, since it uses as much as digits as its factorization.

2122202201257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 28.

Adding to 2122202201257 its reverse (7521022022212), we get a palindrome (9643224223469).

The spelling of 2122202201257 in words is "two trillion, one hundred twenty-two billion, two hundred two million, two hundred one thousand, two hundred fifty-seven".