13221310099 has 4 divisors (see below), whose sum is σ = 13221596080. Its totient is φ = 13221024120.

The previous prime is 13221310097. The next prime is 13221310103. The reversal of 13221310099 is 99001312231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99001312231 = 193 ⋅512960167.

It is a cyclic number.

It is not a de Polignac number, because 13221310099 - 2¹ = 13221310097 is a prime.

It is a super-3 number, since 3×13221310099³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13221310099.

It is not an unprimeable number, because it can be changed into a prime (13221310097) 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, 56004 + ... + 171985.

It is an arithmetic number, because the mean of its divisors is an integer number (3305399020).

Almost surely, 2^13221310099 is an apocalyptic number.

13221310099 is a deficient number, since it is larger than the sum of its proper divisors (285981).

13221310099 is an equidigital number, since it uses as much as digits as its factorization.

13221310099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285980.

The product of its (nonzero) digits is 2916, while the sum is 31.

The spelling of 13221310099 in words is "thirteen billion, two hundred twenty-one million, three hundred ten thousand, ninety-nine".