13210002221 has 8 divisors (see below), whose sum is σ = 14234965920. Its totient is φ = 12186297072.

The previous prime is 13210002203. The next prime is 13210002227. The reversal of 13210002221 is 12220001231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13210002221 - 2²² = 13205807917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13210002196 and 13210002205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13210002227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292775 + ... + 334868.

It is an arithmetic number, because the mean of its divisors is an integer number (1779370740).

Almost surely, 2^13210002221 is an apocalyptic number.

It is an amenable number.

13210002221 is a deficient number, since it is larger than the sum of its proper divisors (1024963699).

13210002221 is a wasteful number, since it uses less digits than its factorization.

13210002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629275.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 13210002221 its reverse (12220001231), we get a palindrome (25430003452).

The spelling of 13210002221 in words is "thirteen billion, two hundred ten million, two thousand, two hundred twenty-one".