13210353221 has 16 divisors (see below), whose sum is σ = 14360098368. Its totient is φ = 12080016000.

The previous prime is 13210353197. The next prime is 13210353229. The reversal of 13210353221 is 12235301231.

It is a de Polignac number, because none of the positive numbers 2^k-13210353221 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13210353229) 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, 1017050 + ... + 1029956.

It is an arithmetic number, because the mean of its divisors is an integer number (897506148).

Almost surely, 2^13210353221 is an apocalyptic number.

It is an amenable number.

13210353221 is a deficient number, since it is larger than the sum of its proper divisors (1149745147).

13210353221 is a wasteful number, since it uses less digits than its factorization.

13210353221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13652.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 13210353221 its reverse (12235301231), we get a palindrome (25445654452).

The spelling of 13210353221 in words is "thirteen billion, two hundred ten million, three hundred fifty-three thousand, two hundred twenty-one".