11133130321 has 2 divisors, whose sum is σ = 11133130322. Its totient is φ = 11133130320.

The previous prime is 11133130291. The next prime is 11133130367. The reversal of 11133130321 is 12303133111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5925920400 + 5207209921 = 76980^2 + 72161^2 .

It is a cyclic number.

It is not a de Polignac number, because 11133130321 - 2⁷ = 11133130193 is a prime.

It is not a weakly prime, because it can be changed into another prime (11133130621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5566565160 + 5566565161.

It is an arithmetic number, because the mean of its divisors is an integer number (5566565161).

Almost surely, 2^11133130321 is an apocalyptic number.

It is an amenable number.

11133130321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11133130321 is an equidigital number, since it uses as much as digits as its factorization.

11133130321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 11133130321 its reverse (12303133111), we get a palindrome (23436263432).

The spelling of 11133130321 in words is "eleven billion, one hundred thirty-three million, one hundred thirty thousand, three hundred twenty-one".