21411301003 has 4 divisors (see below), whose sum is σ = 21413677768. Its totient is φ = 21408924240.

The previous prime is 21411300959. The next prime is 21411301073. The reversal of 21411301003 is 30010311412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21411301003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21411301073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1174818 + ... + 1192903.

It is an arithmetic number, because the mean of its divisors is an integer number (5353419442).

Almost surely, 2^21411301003 is an apocalyptic number.

21411301003 is a deficient number, since it is larger than the sum of its proper divisors (2376765).

21411301003 is an equidigital number, since it uses as much as digits as its factorization.

21411301003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376764.

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

Adding to 21411301003 its reverse (30010311412), we get a palindrome (51421612415).

The spelling of 21411301003 in words is "twenty-one billion, four hundred eleven million, three hundred one thousand, three".