2122310453321 has 2 divisors, whose sum is σ = 2122310453322. Its totient is φ = 2122310453320.

The previous prime is 2122310453311. The next prime is 2122310453353. The reversal of 2122310453321 is 1233540132212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1234456545721 + 887853907600 = 1111061^2 + 942260^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122310453321 - 2⁶ = 2122310453257 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122310453311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061155226660 + 1061155226661.

It is an arithmetic number, because the mean of its divisors is an integer number (1061155226661).

Almost surely, 2^{2122310453321} is an apocalyptic number.

It is an amenable number.

2122310453321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122310453321 is an equidigital number, since it uses as much as digits as its factorization.

2122310453321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 2122310453321 its reverse (1233540132212), we get a palindrome (3355850585533).

The spelling of 2122310453321 in words is "two trillion, one hundred twenty-two billion, three hundred ten million, four hundred fifty-three thousand, three hundred twenty-one".