11333300021 has 16 divisors (see below), whose sum is σ = 11989002240. Its totient is φ = 10708594288.

The previous prime is 11333300009. The next prime is 11333300039. The reversal of 11333300021 is 12000333311.

11333300021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-11333300021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11333300051) 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 in 15 ways as a sum of consecutive naturals, for example, 1141340 + ... + 1151226.

It is an arithmetic number, because the mean of its divisors is an integer number (749312640).

Almost surely, 2^11333300021 is an apocalyptic number.

It is an amenable number.

11333300021 is a deficient number, since it is larger than the sum of its proper divisors (655702219).

11333300021 is an frugal number, since it uses more digits than its factorization.

11333300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10021 (or 9963 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 11333300021 its reverse (12000333311), we get a palindrome (23333633332).

The spelling of 11333300021 in words is "eleven billion, three hundred thirty-three million, three hundred thousand, twenty-one".