13310212221 has 16 divisors (see below), whose sum is σ = 19968441600. Its totient is φ = 8761150944.

The previous prime is 13310212219. The next prime is 13310212229. The reversal of 13310212221 is 12221201331.

It is not a de Polignac number, because 13310212221 - 2¹ = 13310212219 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13310212194 and 13310212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13310212229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3117936 + ... + 3122201.

It is an arithmetic number, because the mean of its divisors is an integer number (1248027600).

Almost surely, 2^13310212221 is an apocalyptic number.

It is an amenable number.

13310212221 is a deficient number, since it is larger than the sum of its proper divisors (6658229379).

13310212221 is an equidigital number, since it uses as much as digits as its factorization.

13310212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6240225 (or 6240219 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13310212221 its reverse (12221201331), we get a palindrome (25531413552).

The spelling of 13310212221 in words is "thirteen billion, three hundred ten million, two hundred twelve thousand, two hundred twenty-one".