21123332322 has 8 divisors (see below), whose sum is σ = 42246664656. Its totient is φ = 7041110772.

The previous prime is 21123332317. The next prime is 21123332369. The reversal of 21123332322 is 22323332112.

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

21123332322 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 21123332292 and 21123332301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1760277688 + ... + 1760277699.

It is an arithmetic number, because the mean of its divisors is an integer number (5280833082).

Almost surely, 2^21123332322 is an apocalyptic number.

21123332322 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.

21123332322 is a wasteful number, since it uses less digits than its factorization.

21123332322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520555392.

The product of its digits is 2592, while the sum is 24.

Adding to 21123332322 its reverse (22323332112), we get a palindrome (43446664434).

The spelling of 21123332322 in words is "twenty-one billion, one hundred twenty-three million, three hundred thirty-two thousand, three hundred twenty-two".