21241304014 has 32 divisors (see below), whose sum is σ = 36894136320. Its totient is φ = 8983420992.

The previous prime is 21241304009. The next prime is 21241304023. The reversal of 21241304014 is 41040314212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2764482 + ... + 2772154.

It is an arithmetic number, because the mean of its divisors is an integer number (1152941760).

Almost surely, 2^21241304014 is an apocalyptic number.

21241304014 is a deficient number, since it is larger than the sum of its proper divisors (15652832306).

21241304014 is a wasteful number, since it uses less digits than its factorization.

21241304014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10264.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21241304014 its reverse (41040314212), we get a palindrome (62281618226).

The spelling of 21241304014 in words is "twenty-one billion, two hundred forty-one million, three hundred four thousand, fourteen".