13221122003 has 6 divisors (see below), whose sum is σ = 14044583196. Its totient is φ = 12443408672.

The previous prime is 13221121987. The next prime is 13221122009. The reversal of 13221122003 is 30022112231.

It is not a de Polignac number, because 13221122003 - 2⁴ = 13221121987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13221122009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22873625 + ... + 22874202.

It is an arithmetic number, because the mean of its divisors is an integer number (2340763866).

Almost surely, 2^13221122003 is an apocalyptic number.

13221122003 is a deficient number, since it is larger than the sum of its proper divisors (823461193).

13221122003 is an equidigital number, since it uses as much as digits as its factorization.

13221122003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45747861 (or 45747844 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13221122003 its reverse (30022112231), we get a palindrome (43243234234).

The spelling of 13221122003 in words is "thirteen billion, two hundred twenty-one million, one hundred twenty-two thousand, three".