21322003122311 has 8 divisors (see below), whose sum is σ = 22958886713040. Its totient is φ = 19727635988608.

The previous prime is 21322003122269. The next prime is 21322003122317. The reversal of 21322003122311 is 11322130022312.

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

It is a cyclic number.

It is not a de Polignac number, because 21322003122311 - 2¹⁸ = 21322002860167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21322003122317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10629113216 + ... + 10629115221.

It is an arithmetic number, because the mean of its divisors is an integer number (2869860839130).

Almost surely, 2^{21322003122311} is an apocalyptic number.

21322003122311 is a deficient number, since it is larger than the sum of its proper divisors (1636883590729).

21322003122311 is a wasteful number, since it uses less digits than its factorization.

21322003122311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21258228513.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21322003122311 its reverse (11322130022312), we get a palindrome (32644133144623).

The spelling of 21322003122311 in words is "twenty-one trillion, three hundred twenty-two billion, three million, one hundred twenty-two thousand, three hundred eleven".