13132213310221 has 8 divisors (see below), whose sum is σ = 13143167551800. Its totient is φ = 13121263610880.

The previous prime is 13132213310207. The next prime is 13132213310233. The reversal of 13132213310221 is 12201331223131.

It can be written as a sum of positive squares in 4 ways, for example, as 4440772294596 + 8691441015625 = 2107314^2 + 2948125^2 .

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 13132213310221 - 2¹¹ = 13132213308173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13132213320221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4661445 + ... + 6927733.

It is an arithmetic number, because the mean of its divisors is an integer number (1642895943975).

Almost surely, 2^{13132213310221} is an apocalyptic number.

It is an amenable number.

13132213310221 is a deficient number, since it is larger than the sum of its proper divisors (10954241579).

13132213310221 is a wasteful number, since it uses less digits than its factorization.

13132213310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271119.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13132213310221 its reverse (12201331223131), we get a palindrome (25333544533352).

The spelling of 13132213310221 in words is "thirteen trillion, one hundred thirty-two billion, two hundred thirteen million, three hundred ten thousand, two hundred twenty-one".