11321321013001 has 2 divisors, whose sum is σ = 11321321013002. Its totient is φ = 11321321013000.

The previous prime is 11321321012999. The next prime is 11321321013017. The reversal of 11321321013001 is 10031012312311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6846721157376 + 4474599855625 = 2616624^2 + 2115325^2 .

It is a cyclic number.

It is not a de Polignac number, because 11321321013001 - 2¹ = 11321321012999 is a prime.

It is a super-2 number, since 2×11321321013001² (a number of 27 digits) contains 22 as substring.

Together with 11321321012999, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11321321013001.

It is not a weakly prime, because it can be changed into another prime (11321321013071) 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, 5660660506500 + 5660660506501.

It is an arithmetic number, because the mean of its divisors is an integer number (5660660506501).

Almost surely, 2^{11321321013001} is an apocalyptic number.

It is an amenable number.

11321321013001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321321013001 is an equidigital number, since it uses as much as digits as its factorization.

11321321013001 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 19.

Adding to 11321321013001 its reverse (10031012312311), we get a palindrome (21352333325312).

The spelling of 11321321013001 in words is "eleven trillion, three hundred twenty-one billion, three hundred twenty-one million, thirteen thousand, one".