13112022121321 has 2 divisors, whose sum is σ = 13112022121322. Its totient is φ = 13112022121320.

The previous prime is 13112022121267. The next prime is 13112022121327. The reversal of 13112022121321 is 12312122021131.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7368162798096 + 5743859323225 = 2714436^2 + 2396635^2 .

It is a cyclic number.

It is not a de Polignac number, because 13112022121321 - 2³³ = 13103432186729 is a prime.

It is a super-2 number, since 2×13112022121321² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13112022121292 and 13112022121301.

It is not a weakly prime, because it can be changed into another prime (13112022121327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556011060660 + 6556011060661.

It is an arithmetic number, because the mean of its divisors is an integer number (6556011060661).

Almost surely, 2^{13112022121321} is an apocalyptic number.

It is an amenable number.

13112022121321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13112022121321 is an equidigital number, since it uses as much as digits as its factorization.

13112022121321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 13112022121321 its reverse (12312122021131), we get a palindrome (25424144142452).

The spelling of 13112022121321 in words is "thirteen trillion, one hundred twelve billion, twenty-two million, one hundred twenty-one thousand, three hundred twenty-one".