11033120321 has 2 divisors, whose sum is σ = 11033120322. Its totient is φ = 11033120320.

The previous prime is 11033120261. The next prime is 11033120323. The reversal of 11033120321 is 12302133011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9242899600 + 1790220721 = 96140^2 + 42311^2 .

It is a cyclic number.

It is not a de Polignac number, because 11033120321 - 2¹⁴ = 11033103937 is a prime.

Together with 11033120323, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11033120321.

It is not a weakly prime, because it can be changed into another prime (11033120323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5516560160 + 5516560161.

It is an arithmetic number, because the mean of its divisors is an integer number (5516560161).

Almost surely, 2^11033120321 is an apocalyptic number.

It is an amenable number.

11033120321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11033120321 is an equidigital number, since it uses as much as digits as its factorization.

11033120321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11033120321 its reverse (12302133011), we get a palindrome (23335253332).

The spelling of 11033120321 in words is "eleven billion, thirty-three million, one hundred twenty thousand, three hundred twenty-one".