13221023333 has 16 divisors (see below), whose sum is σ = 15171287040. Its totient is φ = 11286240000.

The previous prime is 13221023329. The next prime is 13221023341. The reversal of 13221023333 is 33332012231.

It is not a de Polignac number, because 13221023333 - 2² = 13221023329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13221023299 and 13221023308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13221023383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1964348 + ... + 1971066.

It is an arithmetic number, because the mean of its divisors is an integer number (948205440).

Almost surely, 2^13221023333 is an apocalyptic number.

It is an amenable number.

13221023333 is a deficient number, since it is larger than the sum of its proper divisors (1950263707).

13221023333 is an equidigital number, since it uses as much as digits as its factorization.

13221023333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7828.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 13221023333 its reverse (33332012231), we get a palindrome (46553035564).

The spelling of 13221023333 in words is "thirteen billion, two hundred twenty-one million, twenty-three thousand, three hundred thirty-three".