13021122033 has 10 divisors (see below), whose sum is σ = 19451305874. Its totient is φ = 8680747968.

The previous prime is 13021122007. The next prime is 13021122053. The reversal of 13021122033 is 33022112031.

It can be written as a sum of positive squares in only one way, i.e., 8153548209 + 4867573824 = 90297^2 + 69768^2 .

It is not a de Polignac number, because 13021122033 - 2⁶ = 13021121969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13021121997 and 13021122015.

It is not an unprimeable number, because it can be changed into a prime (13021122053) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 80377216 + ... + 80377377.

Almost surely, 2^13021122033 is an apocalyptic number.

It is an amenable number.

13021122033 is a deficient number, since it is larger than the sum of its proper divisors (6430183841).

13021122033 is an equidigital number, since it uses as much as digits as its factorization.

13021122033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160754605 (or 160754596 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13021122033 its reverse (33022112031), we get a palindrome (46043234064).

The spelling of 13021122033 in words is "thirteen billion, twenty-one million, one hundred twenty-two thousand, thirty-three".