21000213130303 has 8 divisors (see below), whose sum is σ = 23035894264656. Its totient is φ = 18985627137600.

The previous prime is 21000213130297. The next prime is 21000213130319. The reversal of 21000213130303 is 30303131200012.

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 21000213130303 - 2²⁵ = 21000179575871 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 (21000213130343) 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, 5273783326 + ... + 5273787307.

It is an arithmetic number, because the mean of its divisors is an integer number (2879486783082).

Almost surely, 2^{21000213130303} is an apocalyptic number.

21000213130303 is a deficient number, since it is larger than the sum of its proper divisors (2035681134353).

21000213130303 is a wasteful number, since it uses less digits than its factorization.

21000213130303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10547570825.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 21000213130303 its reverse (30303131200012), we get a palindrome (51303344330315).

The spelling of 21000213130303 in words is "twenty-one trillion, two hundred thirteen million, one hundred thirty thousand, three hundred three".