13221301033 has 4 divisors (see below), whose sum is σ = 13240947028. Its totient is φ = 13201655040.

The previous prime is 13221301003. The next prime is 13221301061. The reversal of 13221301033 is 33010312231.

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 2535323904 + 10685977129 = 50352^2 + 103373^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13221301033 is a prime.

It is a super-3 number, since 3×13221301033³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13221301033.

It is not an unprimeable number, because it can be changed into a prime (13221301003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9821988 + ... + 9823333.

It is an arithmetic number, because the mean of its divisors is an integer number (3310236757).

Almost surely, 2^13221301033 is an apocalyptic number.

It is an amenable number.

13221301033 is a deficient number, since it is larger than the sum of its proper divisors (19645995).

13221301033 is an equidigital number, since it uses as much as digits as its factorization.

13221301033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19645994.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13221301033 its reverse (33010312231), we get a palindrome (46231613264).

The spelling of 13221301033 in words is "thirteen billion, two hundred twenty-one million, three hundred one thousand, thirty-three".