21322102324 has 12 divisors (see below), whose sum is σ = 37683122148. Its totient is φ = 10555496000.

The previous prime is 21322102313. The next prime is 21322102363. The reversal of 21322102324 is 42320122312.

It can be written as a sum of positive squares in 2 ways, for example, as 18645902500 + 2676199824 = 136550^2 + 51732^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21322102295 and 21322102304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26388337 + ... + 26389144.

It is an arithmetic number, because the mean of its divisors is an integer number (3140260179).

Almost surely, 2^21322102324 is an apocalyptic number.

It is an amenable number.

21322102324 is a deficient number, since it is larger than the sum of its proper divisors (16361019824).

21322102324 is a wasteful number, since it uses less digits than its factorization.

21322102324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52777586 (or 52777584 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 21322102324 its reverse (42320122312), we get a palindrome (63642224636).

The spelling of 21322102324 in words is "twenty-one billion, three hundred twenty-two million, one hundred two thousand, three hundred twenty-four".