21241303000 has 64 divisors (see below), whose sum is σ = 49726235520. Its totient is φ = 8492832000.

The previous prime is 21241302997. The next prime is 21241303003. The reversal of 21241303000 is 30314212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21241302997) and next prime (21241303003).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21241303003) by changing a digit.

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, 4438609 + ... + 4443391.

It is an arithmetic number, because the mean of its divisors is an integer number (776972430).

Almost surely, 2^21241303000 is an apocalyptic number.

21241303000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21241303000 is an abundant number, since it is smaller than the sum of its proper divisors (28484932520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21241303000 is a wasteful number, since it uses less digits than its factorization.

21241303000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9245 (or 9231 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21241303000 its reverse (30314212), we get a palindrome (21271617212).

The spelling of 21241303000 in words is "twenty-one billion, two hundred forty-one million, three hundred three thousand".