21322112311343 has 4 divisors (see below), whose sum is σ = 21323271329160. Its totient is φ = 21320953293528.

The previous prime is 21322112311273. The next prime is 21322112311427. The reversal of 21322112311343 is 34311321122312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21322112311343 - 2¹⁶ = 21322112245807 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 (21322112331343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579481313 + ... + 579518106.

It is an arithmetic number, because the mean of its divisors is an integer number (5330817832290).

Almost surely, 2^{21322112311343} is an apocalyptic number.

21322112311343 is a deficient number, since it is larger than the sum of its proper divisors (1159017817).

21322112311343 is a wasteful number, since it uses less digits than its factorization.

21322112311343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159017816.

The product of its digits is 5184, while the sum is 29.

Adding to 21322112311343 its reverse (34311321122312), we get a palindrome (55633433433655).

The spelling of 21322112311343 in words is "twenty-one trillion, three hundred twenty-two billion, one hundred twelve million, three hundred eleven thousand, three hundred forty-three".