13320121322 has 4 divisors (see below), whose sum is σ = 19980181986. Its totient is φ = 6660060660.

The previous prime is 13320121319. The next prime is 13320121337. The reversal of 13320121322 is 22312102331.

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

It can be written as a sum of positive squares in only one way, i.e., 10943461321 + 2376660001 = 104611^2 + 48751^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13320121294 and 13320121303.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3330030329 + ... + 3330030332.

Almost surely, 2^13320121322 is an apocalyptic number.

13320121322 is a deficient number, since it is larger than the sum of its proper divisors (6660060664).

13320121322 is an equidigital number, since it uses as much as digits as its factorization.

13320121322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6660060663.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13320121322 its reverse (22312102331), we get a palindrome (35632223653).

The spelling of 13320121322 in words is "thirteen billion, three hundred twenty million, one hundred twenty-one thousand, three hundred twenty-two".