13220101321 has 8 divisors (see below), whose sum is σ = 15113943680. Its totient is φ = 11327573088.

The previous prime is 13220101313. The next prime is 13220101339. The reversal of 13220101321 is 12310102231.

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 13220101321 - 2³ = 13220101313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13220101295 and 13220101304.

It is not an unprimeable number, because it can be changed into a prime (13220101351) 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, 306876 + ... + 347293.

It is an arithmetic number, because the mean of its divisors is an integer number (1889242960).

Almost surely, 2^13220101321 is an apocalyptic number.

It is an amenable number.

13220101321 is a deficient number, since it is larger than the sum of its proper divisors (1893842359).

13220101321 is an equidigital number, since it uses as much as digits as its factorization.

13220101321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657063.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13220101321 its reverse (12310102231), we get a palindrome (25530203552).

The spelling of 13220101321 in words is "thirteen billion, two hundred twenty million, one hundred one thousand, three hundred twenty-one".