21241033324 has 36 divisors (see below), whose sum is σ = 45120713904. Its totient is φ = 8707502496.

The previous prime is 21241033309. The next prime is 21241033327. The reversal of 21241033324 is 42333014212.

It is not an unprimeable number, because it can be changed into a prime (21241033327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2351419 + ... + 2360434.

It is an arithmetic number, because the mean of its divisors is an integer number (1253353164).

Almost surely, 2^21241033324 is an apocalyptic number.

It is an amenable number.

21241033324 is an abundant number, since it is smaller than the sum of its proper divisors (23879680580).

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

21241033324 is a wasteful number, since it uses less digits than its factorization.

21241033324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711894 (or 4711885 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 21241033324 its reverse (42333014212), we get a palindrome (63574047536).

The spelling of 21241033324 in words is "twenty-one billion, two hundred forty-one million, thirty-three thousand, three hundred twenty-four".