21124232322 has 8 divisors (see below), whose sum is σ = 42248464656. Its totient is φ = 7041410772.

The previous prime is 21124232299. The next prime is 21124232341. The reversal of 21124232322 is 22323242112.

It is a sphenic number, since it is the product of 3 distinct primes.

21124232322 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 21124232292 and 21124232301.

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, 1760352688 + ... + 1760352699.

It is an arithmetic number, because the mean of its divisors is an integer number (5281058082).

Almost surely, 2^21124232322 is an apocalyptic number.

21124232322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21124232322 is a wasteful number, since it uses less digits than its factorization.

21124232322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520705392.

The product of its digits is 2304, while the sum is 24.

Adding to 21124232322 its reverse (22323242112), we get a palindrome (43447474434).

The spelling of 21124232322 in words is "twenty-one billion, one hundred twenty-four million, two hundred thirty-two thousand, three hundred twenty-two".