21300021233013 has 8 divisors (see below), whose sum is σ = 28789069794688. Its totient is φ = 14005493413344.

The previous prime is 21300021233009. The next prime is 21300021233039. The reversal of 21300021233013 is 31033212000312.

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

It is not a de Polignac number, because 21300021233013 - 2² = 21300021233009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21300021233003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48630185245 + ... + 48630185682.

It is an arithmetic number, because the mean of its divisors is an integer number (3598633724336).

Almost surely, 2^{21300021233013} is an apocalyptic number.

It is an amenable number.

21300021233013 is a deficient number, since it is larger than the sum of its proper divisors (7489048561675).

21300021233013 is an equidigital number, since it uses as much as digits as its factorization.

21300021233013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97260371003.

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

Adding to 21300021233013 its reverse (31033212000312), we get a palindrome (52333233233325).

The spelling of 21300021233013 in words is "twenty-one trillion, three hundred billion, twenty-one million, two hundred thirty-three thousand, thirteen".