13210210221 has 16 divisors (see below), whose sum is σ = 19095820800. Its totient is φ = 8074797120.

The previous prime is 13210210219. The next prime is 13210210231. The reversal of 13210210221 is 12201201231.

It is not a de Polignac number, because 13210210221 - 2¹ = 13210210219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13210210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13210210231) 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, 1130845 + ... + 1142466.

It is an arithmetic number, because the mean of its divisors is an integer number (1193488800).

Almost surely, 2^13210210221 is an apocalyptic number.

It is an amenable number.

13210210221 is a deficient number, since it is larger than the sum of its proper divisors (5885610579).

13210210221 is a wasteful number, since it uses less digits than its factorization.

13210210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273476.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 13210210221 its reverse (12201201231), we get a palindrome (25411411452).

The spelling of 13210210221 in words is "thirteen billion, two hundred ten million, two hundred ten thousand, two hundred twenty-one".