21000130013303 has 16 divisors (see below), whose sum is σ = 24012964377600. Its totient is φ = 17990502165216.

The previous prime is 21000130013251. The next prime is 21000130013321. The reversal of 21000130013303 is 30331003100012.

It is not a de Polignac number, because 21000130013303 - 2³⁴ = 20982950144119 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 (21000130033303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101667776 + ... + 101874122.

It is an arithmetic number, because the mean of its divisors is an integer number (1500810273600).

Almost surely, 2^{21000130013303} is an apocalyptic number.

21000130013303 is a deficient number, since it is larger than the sum of its proper divisors (3012834364297).

21000130013303 is a wasteful number, since it uses less digits than its factorization.

21000130013303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214046.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 21000130013303 its reverse (30331003100012), we get a palindrome (51331133113315).

The spelling of 21000130013303 in words is "twenty-one trillion, one hundred thirty million, thirteen thousand, three hundred three".