13221303221333 has 4 divisors (see below), whose sum is σ = 13221428217888. Its totient is φ = 13221178224780.

The previous prime is 13221303221309. The next prime is 13221303221387. The reversal of 13221303221333 is 33312230312231.

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 13221303221333 - 2²⁴ = 13221286444117 is a prime.

It is a super-3 number, since 3×13221303221333³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13221303221296 and 13221303221305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13221303224333) 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, 62339483 + ... + 62551208.

It is an arithmetic number, because the mean of its divisors is an integer number (3305357054472).

Almost surely, 2^{13221303221333} is an apocalyptic number.

It is an amenable number.

13221303221333 is a deficient number, since it is larger than the sum of its proper divisors (124996555).

13221303221333 is a wasteful number, since it uses less digits than its factorization.

13221303221333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124996554.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 13221303221333 its reverse (33312230312231), we get a palindrome (46533533533564).

The spelling of 13221303221333 in words is "thirteen trillion, two hundred twenty-one billion, three hundred three million, two hundred twenty-one thousand, three hundred thirty-three".