13211113001321 has 2 divisors, whose sum is σ = 13211113001322. Its totient is φ = 13211113001320.

The previous prime is 13211113001249. The next prime is 13211113001329. The reversal of 13211113001321 is 12310031111231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13188438664921 + 22674336400 = 3631589^2 + 150580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13211113001321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13211113001293 and 13211113001302.

It is not a weakly prime, because it can be changed into another prime (13211113001329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6605556500660 + 6605556500661.

It is an arithmetic number, because the mean of its divisors is an integer number (6605556500661).

Almost surely, 2^{13211113001321} is an apocalyptic number.

It is an amenable number.

13211113001321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13211113001321 is an equidigital number, since it uses as much as digits as its factorization.

13211113001321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 13211113001321 its reverse (12310031111231), we get a palindrome (25521144112552).

The spelling of 13211113001321 in words is "thirteen trillion, two hundred eleven billion, one hundred thirteen million, one thousand, three hundred twenty-one".