13320222030221 has 4 divisors (see below), whose sum is σ = 13321358870652. Its totient is φ = 13319085189792.

The previous prime is 13320222030209. The next prime is 13320222030253. The reversal of 13320222030221 is 12203022202331.

13320222030221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5147135812900 + 8173086217321 = 2268730^2 + 2858861^2 .

It is a cyclic number.

It is not a de Polignac number, because 13320222030221 - 2³⁴ = 13303042161037 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 (13320222030121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568402640 + ... + 568426073.

It is an arithmetic number, because the mean of its divisors is an integer number (3330339717663).

Almost surely, 2^{13320222030221} is an apocalyptic number.

It is an amenable number.

13320222030221 is a deficient number, since it is larger than the sum of its proper divisors (1136840431).

13320222030221 is a wasteful number, since it uses less digits than its factorization.

13320222030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136840430.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13320222030221 its reverse (12203022202331), we get a palindrome (25523244232552).

The spelling of 13320222030221 in words is "thirteen trillion, three hundred twenty billion, two hundred twenty-two million, thirty thousand, two hundred twenty-one".