13410211323121 has 2 divisors, whose sum is σ = 13410211323122. Its totient is φ = 13410211323120.

The previous prime is 13410211323059. The next prime is 13410211323127. The reversal of 13410211323121 is 12132311201431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11411694734400 + 1998516588721 = 3378120^2 + 1413689^2 .

It is an emirp because it is prime and its reverse (12132311201431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13410211323121 is a prime.

It is not a weakly prime, because it can be changed into another prime (13410211323127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6705105661560 + 6705105661561.

It is an arithmetic number, because the mean of its divisors is an integer number (6705105661561).

Almost surely, 2^{13410211323121} is an apocalyptic number.

It is an amenable number.

13410211323121 is a deficient number, since it is larger than the sum of its proper divisors (1).

13410211323121 is an equidigital number, since it uses as much as digits as its factorization.

13410211323121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 13410211323121 its reverse (12132311201431), we get a palindrome (25542522524552).

The spelling of 13410211323121 in words is "thirteen trillion, four hundred ten billion, two hundred eleven million, three hundred twenty-three thousand, one hundred twenty-one".