13221103880 has 32 divisors (see below), whose sum is σ = 30054167640. Its totient is φ = 5233920000.

The previous prime is 13221103877. The next prime is 13221103943. The reversal of 13221103880 is 8830112231.

It can be written as a sum of positive squares in 4 ways, for example, as 11723259076 + 1497844804 = 108274^2 + 38702^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1699871 + ... + 1707630.

Almost surely, 2^13221103880 is an apocalyptic number.

13221103880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13221103880 is an abundant number, since it is smaller than the sum of its proper divisors (16833063760).

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

13221103880 is a wasteful number, since it uses less digits than its factorization.

13221103880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407609 (or 3407605 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 13221103880 in words is "thirteen billion, two hundred twenty-one million, one hundred three thousand, eight hundred eighty".