11304299921 has 2 divisors, whose sum is σ = 11304299922. Its totient is φ = 11304299920.

The previous prime is 11304299917. The next prime is 11304299999. The reversal of 11304299921 is 12999240311.

11304299921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7732564225 + 3571735696 = 87935^2 + 59764^2 .

It is an emirp because it is prime and its reverse (12999240311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11304299921 - 2² = 11304299917 is a prime.

It is a super-3 number, since 3×11304299921³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (11304299911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5652149960 + 5652149961.

It is an arithmetic number, because the mean of its divisors is an integer number (5652149961).

Almost surely, 2^11304299921 is an apocalyptic number.

It is an amenable number.

11304299921 is a deficient number, since it is larger than the sum of its proper divisors (1).

11304299921 is an equidigital number, since it uses as much as digits as its factorization.

11304299921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 41.

The spelling of 11304299921 in words is "eleven billion, three hundred four million, two hundred ninety-nine thousand, nine hundred twenty-one".