21011413003 has 12 divisors (see below), whose sum is σ = 24679153200. Its totient is φ = 17834926032.

The previous prime is 21011413001. The next prime is 21011413039. The reversal of 21011413003 is 30031411012.

It is not a de Polignac number, because 21011413003 - 2¹ = 21011413001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21011413001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2076528 + ... + 2086621.

It is an arithmetic number, because the mean of its divisors is an integer number (2056596100).

Almost surely, 2^21011413003 is an apocalyptic number.

21011413003 is a deficient number, since it is larger than the sum of its proper divisors (3667740197).

21011413003 is a wasteful number, since it uses less digits than its factorization.

21011413003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4163266 (or 4163259 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21011413003 its reverse (30031411012), we get a palindrome (51042824015).

The spelling of 21011413003 in words is "twenty-one billion, eleven million, four hundred thirteen thousand, three".