13011021322 has 8 divisors (see below), whose sum is σ = 21017803716. Its totient is φ = 6005086752.

The previous prime is 13011021307. The next prime is 13011021329. The reversal of 13011021322 is 22312011031.

It can be written as a sum of positive squares in 2 ways, for example, as 12128396641 + 882624681 = 110129^2 + 29709^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13011021296 and 13011021305.

It is not an unprimeable number, because it can be changed into a prime (13011021329) 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, 250211923 + ... + 250211974.

Almost surely, 2^13011021322 is an apocalyptic number.

13011021322 is a deficient number, since it is larger than the sum of its proper divisors (8006782394).

13011021322 is a wasteful number, since it uses less digits than its factorization.

13011021322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500423912.

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

Adding to 13011021322 its reverse (22312011031), we get a palindrome (35323032353).

The spelling of 13011021322 in words is "thirteen billion, eleven million, twenty-one thousand, three hundred twenty-two".