21133310302330 has 8 divisors (see below), whose sum is σ = 38039958544212. Its totient is φ = 8453324120928.

The previous prime is 21133310302297. The next prime is 21133310302331. The reversal of 21133310302330 is 3320301333112.

It can be written as a sum of positive squares in 2 ways, for example, as 20948443840809 + 184866461521 = 4576947^2 + 429961^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 21133310302295 and 21133310302304.

It is not an unprimeable number, because it can be changed into a prime (21133310302331) 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 3 ways as a sum of consecutive naturals, for example, 1056665515107 + ... + 1056665515126.

Almost surely, 2^{21133310302330} is an apocalyptic number.

21133310302330 is a deficient number, since it is larger than the sum of its proper divisors (16906648241882).

21133310302330 is a wasteful number, since it uses less digits than its factorization.

21133310302330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113331030240.

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

Adding to 21133310302330 its reverse (3320301333112), we get a palindrome (24453611635442).

The spelling of 21133310302330 in words is "twenty-one trillion, one hundred thirty-three billion, three hundred ten million, three hundred two thousand, three hundred thirty".