13122422144021 has 2 divisors, whose sum is σ = 13122422144022. Its totient is φ = 13122422144020.

The previous prime is 13122422143993. The next prime is 13122422144047. The reversal of 13122422144021 is 12044122422131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12986437468900 + 135984675121 = 3603670^2 + 368761^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13122422144021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13122422144621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561211072010 + 6561211072011.

It is an arithmetic number, because the mean of its divisors is an integer number (6561211072011).

Almost surely, 2^{13122422144021} is an apocalyptic number.

It is an amenable number.

13122422144021 is a deficient number, since it is larger than the sum of its proper divisors (1).

13122422144021 is an equidigital number, since it uses as much as digits as its factorization.

13122422144021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 13122422144021 its reverse (12044122422131), we get a palindrome (25166544566152).

The spelling of 13122422144021 in words is "thirteen trillion, one hundred twenty-two billion, four hundred twenty-two million, one hundred forty-four thousand, twenty-one".