21300013022033 has 4 divisors (see below), whose sum is σ = 21300022252608. Its totient is φ = 21300003791460.

The previous prime is 21300013022027. The next prime is 21300013022081. The reversal of 21300013022033 is 33022031000312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 21300013022033 - 2²⁸ = 21299744586577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21300013021996 and 21300013022014.

It is not an unprimeable number, because it can be changed into a prime (21300013022333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2263628 + ... + 6908258.

It is an arithmetic number, because the mean of its divisors is an integer number (5325005563152).

Almost surely, 2^{21300013022033} is an apocalyptic number.

It is an amenable number.

21300013022033 is a deficient number, since it is larger than the sum of its proper divisors (9230575).

21300013022033 is an equidigital number, since it uses as much as digits as its factorization.

21300013022033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9230574.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21300013022033 its reverse (33022031000312), we get a palindrome (54322044022345).

The spelling of 21300013022033 in words is "twenty-one trillion, three hundred billion, thirteen million, twenty-two thousand, thirty-three".