21124410230 has 64 divisors (see below), whose sum is σ = 47459105280. Its totient is φ = 6576921600.

The previous prime is 21124410217. The next prime is 21124410233. The reversal of 21124410230 is 3201442112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21124410233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 700565 + ... + 730095.

It is an arithmetic number, because the mean of its divisors is an integer number (741548520).

Almost surely, 2^21124410230 is an apocalyptic number.

21124410230 is an abundant number, since it is smaller than the sum of its proper divisors (26334695050).

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

21124410230 is a wasteful number, since it uses less digits than its factorization.

21124410230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30485.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 21124410230 its reverse (3201442112), we get a palindrome (24325852342).

The spelling of 21124410230 in words is "twenty-one billion, one hundred twenty-four million, four hundred ten thousand, two hundred thirty".