21041102324 has 48 divisors (see below), whose sum is σ = 40690003200. Its totient is φ = 9440841600.

The previous prime is 21041102321. The next prime is 21041102333. The reversal of 21041102324 is 42320114012.

It is a junction number, because it is equal to n+sod(n) for n = 21041102296 and 21041102305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21041102321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1291622 + ... + 1307810.

It is an arithmetic number, because the mean of its divisors is an integer number (847708400).

Almost surely, 2^21041102324 is an apocalyptic number.

It is an amenable number.

21041102324 is a deficient number, since it is larger than the sum of its proper divisors (19648900876).

21041102324 is a wasteful number, since it uses less digits than its factorization.

21041102324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16584 (or 16582 counting only the distinct ones).

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

Adding to 21041102324 its reverse (42320114012), we get a palindrome (63361216336).

The spelling of 21041102324 in words is "twenty-one billion, forty-one million, one hundred two thousand, three hundred twenty-four".