21410244203 has 8 divisors (see below), whose sum is σ = 21440160000. Its totient is φ = 21380348608.

The previous prime is 21410244181. The next prime is 21410244277. The reversal of 21410244203 is 30244201412.

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 21410244203 - 2²⁴ = 21393466987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21410247203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4458998 + ... + 4463796.

It is an arithmetic number, because the mean of its divisors is an integer number (2680020000).

Almost surely, 2^21410244203 is an apocalyptic number.

21410244203 is a deficient number, since it is larger than the sum of its proper divisors (29915797).

21410244203 is a wasteful number, since it uses less digits than its factorization.

21410244203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 21410244203 its reverse (30244201412), we get a palindrome (51654445615).

The spelling of 21410244203 in words is "twenty-one billion, four hundred ten million, two hundred forty-four thousand, two hundred three".