13221103332 has 12 divisors (see below), whose sum is σ = 30849241136. Its totient is φ = 4407034440.

The previous prime is 13221103307. The next prime is 13221103349. The reversal of 13221103332 is 23330112231.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 13221103299 and 13221103308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550879294 + ... + 550879317.

Almost surely, 2^13221103332 is an apocalyptic number.

13221103332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13221103332 is an abundant number, since it is smaller than the sum of its proper divisors (17628137804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13221103332 is a wasteful number, since it uses less digits than its factorization.

13221103332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101758618 (or 1101758616 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13221103332 its reverse (23330112231), we get a palindrome (36551215563).

The spelling of 13221103332 in words is "thirteen billion, two hundred twenty-one million, one hundred three thousand, three hundred thirty-two".