21321123303322 has 32 divisors (see below), whose sum is σ = 34196294361600. Its totient is φ = 9945397841280.

The previous prime is 21321123303197. The next prime is 21321123303349. The reversal of 21321123303322 is 22330332112312.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4685679 + ... + 8037277.

It is an arithmetic number, because the mean of its divisors is an integer number (1068634198800).

Almost surely, 2^{21321123303322} is an apocalyptic number.

21321123303322 is a deficient number, since it is larger than the sum of its proper divisors (12875171058278).

21321123303322 is a wasteful number, since it uses less digits than its factorization.

21321123303322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355038.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 21321123303322 its reverse (22330332112312), we get a palindrome (43651455415634).

The spelling of 21321123303322 in words is "twenty-one trillion, three hundred twenty-one billion, one hundred twenty-three million, three hundred three thousand, three hundred twenty-two".