21302303033311 has 8 divisors (see below), whose sum is σ = 21509490553344. Its totient is φ = 21095443084800.

The previous prime is 21302303033299. The next prime is 21302303033317. The reversal of 21302303033311 is 11333030320312.

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 21302303033311 - 2¹¹ = 21302303031263 is a prime.

It is a super-2 number, since 2×21302303033311² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21302303033317) 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, 81762186 + ... + 82022311.

It is an arithmetic number, because the mean of its divisors is an integer number (2688686319168).

Almost surely, 2^{21302303033311} is an apocalyptic number.

21302303033311 is a deficient number, since it is larger than the sum of its proper divisors (207187520033).

21302303033311 is a wasteful number, since it uses less digits than its factorization.

21302303033311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163785761.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 21302303033311 its reverse (11333030320312), we get a palindrome (32635333353623).

The spelling of 21302303033311 in words is "twenty-one trillion, three hundred two billion, three hundred three million, thirty-three thousand, three hundred eleven".