11310003121321 has 2 divisors, whose sum is σ = 11310003121322. Its totient is φ = 11310003121320.

The previous prime is 11310003121309. The next prime is 11310003121349. The reversal of 11310003121321 is 12312130001311.

11310003121321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8725737892096 + 2584265229225 = 2953936^2 + 1607565^2 .

It is a cyclic number.

It is not a de Polignac number, because 11310003121321 - 2¹⁷ = 11310002990249 is a prime.

It is not a weakly prime, because it can be changed into another prime (11310003125321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655001560660 + 5655001560661.

It is an arithmetic number, because the mean of its divisors is an integer number (5655001560661).

Almost surely, 2^{11310003121321} is an apocalyptic number.

It is an amenable number.

11310003121321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11310003121321 is an equidigital number, since it uses as much as digits as its factorization.

11310003121321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 11310003121321 its reverse (12312130001311), we get a palindrome (23622133122632).

The spelling of 11310003121321 in words is "eleven trillion, three hundred ten billion, three million, one hundred twenty-one thousand, three hundred twenty-one".