21230003330213 has 8 divisors (see below), whose sum is σ = 22347600880800. Its totient is φ = 20112428675088.

The previous prime is 21230003330203. The next prime is 21230003330227. The reversal of 21230003330213 is 31203330003212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21230003330213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21230003330203) 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, 3804023 + ... + 7545236.

It is an arithmetic number, because the mean of its divisors is an integer number (2793450110100).

Almost surely, 2^{21230003330213} is an apocalyptic number.

It is an amenable number.

21230003330213 is a deficient number, since it is larger than the sum of its proper divisors (1117597550587).

21230003330213 is a wasteful number, since it uses less digits than its factorization.

21230003330213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11447731.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 21230003330213 its reverse (31203330003212), we get a palindrome (52433333333425).

The spelling of 21230003330213 in words is "twenty-one trillion, two hundred thirty billion, three million, three hundred thirty thousand, two hundred thirteen".