13310011221 has 16 divisors (see below), whose sum is σ = 19628348544. Its totient is φ = 7969402944.

The previous prime is 13310011181. The next prime is 13310011283. The reversal of 13310011221 is 12211001331.

It is a happy number.

It is not a de Polignac number, because 13310011221 - 2¹⁴ = 13309994837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13310011221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13310011291) 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, 4610481 + ... + 4613366.

It is an arithmetic number, because the mean of its divisors is an integer number (1226771784).

Almost surely, 2^13310011221 is an apocalyptic number.

It is an amenable number.

13310011221 is a deficient number, since it is larger than the sum of its proper divisors (6318337323).

13310011221 is a wasteful number, since it uses less digits than its factorization.

13310011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9223900.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13310011221 its reverse (12211001331), we get a palindrome (25521012552).

The spelling of 13310011221 in words is "thirteen billion, three hundred ten million, eleven thousand, two hundred twenty-one".