13323121322001 has 4 divisors (see below), whose sum is σ = 17764161762672. Its totient is φ = 8882080881332.

The previous prime is 13323121321987. The next prime is 13323121322023. The reversal of 13323121322001 is 10022312132331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13323121322001 - 2¹¹ = 13323121319953 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13323121322501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2220520220331 + ... + 2220520220336.

It is an arithmetic number, because the mean of its divisors is an integer number (4441040440668).

Almost surely, 2^{13323121322001} is an apocalyptic number.

It is an amenable number.

13323121322001 is a deficient number, since it is larger than the sum of its proper divisors (4441040440671).

13323121322001 is an equidigital number, since it uses as much as digits as its factorization.

13323121322001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441040440670.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13323121322001 its reverse (10022312132331), we get a palindrome (23345433454332).

The spelling of 13323121322001 in words is "thirteen trillion, three hundred twenty-three billion, one hundred twenty-one million, three hundred twenty-two thousand, one".