21013301330333 has 8 divisors (see below), whose sum is σ = 23613609522048. Its totient is φ = 18553550338224.

The previous prime is 21013301330317. The next prime is 21013301330369. The reversal of 21013301330333 is 33303310331012.

It is a happy number.

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 21013301330333 - 2⁴ = 21013301330317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21013301330303) 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, 35139299585 + ... + 35139300182.

It is an arithmetic number, because the mean of its divisors is an integer number (2951701190256).

Almost surely, 2^{21013301330333} is an apocalyptic number.

21013301330333 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

21013301330333 is a deficient number, since it is larger than the sum of its proper divisors (2600308191715).

21013301330333 is a wasteful number, since it uses less digits than its factorization.

21013301330333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70278599803.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 21013301330333 its reverse (33303310331012), we get a palindrome (54316611661345).

The spelling of 21013301330333 in words is "twenty-one trillion, thirteen billion, three hundred one million, three hundred thirty thousand, three hundred thirty-three".