21342001322 has 8 divisors (see below), whose sum is σ = 32134725216. Its totient is φ = 10630426252.

The previous prime is 21342001319. The next prime is 21342001327. The reversal of 21342001322 is 22310024312.

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

It is a junction number, because it is equal to n+sod(n) for n = 21342001294 and 21342001303.

It is not an unprimeable number, because it can be changed into a prime (21342001327) 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, 20286548 + ... + 20287599.

It is an arithmetic number, because the mean of its divisors is an integer number (4016840652).

Almost surely, 2^21342001322 is an apocalyptic number.

21342001322 is a deficient number, since it is larger than the sum of its proper divisors (10792723894).

21342001322 is a wasteful number, since it uses less digits than its factorization.

21342001322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40574412.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21342001322 its reverse (22310024312), we get a palindrome (43652025634).

The spelling of 21342001322 in words is "twenty-one billion, three hundred forty-two million, one thousand, three hundred twenty-two".