21303230011 has 8 divisors (see below), whose sum is σ = 24864560640. Its totient is φ = 17871402408.

The previous prime is 21303229963. The next prime is 21303230023. The reversal of 21303230011 is 11003230312.

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

It is a cyclic number.

It is not a de Polignac number, because 21303230011 - 2¹⁵ = 21303197243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21303230041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32375401 + ... + 32376058.

It is an arithmetic number, because the mean of its divisors is an integer number (3108070080).

Almost surely, 2^21303230011 is an apocalyptic number.

21303230011 is a deficient number, since it is larger than the sum of its proper divisors (3561330629).

21303230011 is an equidigital number, since it uses as much as digits as its factorization.

21303230011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64751513.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21303230011 its reverse (11003230312), we get a palindrome (32306460323).

The spelling of 21303230011 in words is "twenty-one billion, three hundred three million, two hundred thirty thousand, eleven".