2122310453257 has 2 divisors, whose sum is σ = 2122310453258. Its totient is φ = 2122310453256.

The previous prime is 2122310453243. The next prime is 2122310453261. The reversal of 2122310453257 is 7523540132212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2040657962256 + 81652491001 = 1428516^2 + 285749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122310453257 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122310453057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061155226628 + 1061155226629.

It is an arithmetic number, because the mean of its divisors is an integer number (1061155226629).

Almost surely, 2^{2122310453257} is an apocalyptic number.

It is an amenable number.

2122310453257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122310453257 is an equidigital number, since it uses as much as digits as its factorization.

2122310453257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 37.

Adding to 2122310453257 its reverse (7523540132212), we get a palindrome (9645850585469).

The spelling of 2122310453257 in words is "two trillion, one hundred twenty-two billion, three hundred ten million, four hundred fifty-three thousand, two hundred fifty-seven".