21330300011 has 8 divisors (see below), whose sum is σ = 22454361600. Its totient is φ = 20206379880.

The previous prime is 21330299999. The next prime is 21330300041. The reversal of 21330300011 is 11000303312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21330300011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21330300041) 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, 434030 + ... + 480668.

It is an arithmetic number, because the mean of its divisors is an integer number (2806795200).

Almost surely, 2^21330300011 is an apocalyptic number.

21330300011 is a deficient number, since it is larger than the sum of its proper divisors (1124061589).

21330300011 is a wasteful number, since it uses less digits than its factorization.

21330300011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70729.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 21330300011 its reverse (11000303312), we get a palindrome (32330603323).

The spelling of 21330300011 in words is "twenty-one billion, three hundred thirty million, three hundred thousand, eleven".