11304333021 has 8 divisors (see below), whose sum is σ = 15278916160. Its totient is φ = 7432985952.

The previous prime is 11304332987. The next prime is 11304333031. The reversal of 11304333021 is 12033340311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11304333021 - 2²⁷ = 11170115293 is a prime.

It is a super-3 number, since 3×11304333021³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11304333031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25808761 + ... + 25809198.

It is an arithmetic number, because the mean of its divisors is an integer number (1909864520).

Almost surely, 2^11304333021 is an apocalyptic number.

It is an amenable number.

11304333021 is a deficient number, since it is larger than the sum of its proper divisors (3974583139).

11304333021 is an equidigital number, since it uses as much as digits as its factorization.

11304333021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51618035.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 11304333021 its reverse (12033340311), we get a palindrome (23337673332).

The spelling of 11304333021 in words is "eleven billion, three hundred four million, three hundred thirty-three thousand, twenty-one".