21340443130322 has 16 divisors (see below), whose sum is σ = 32163034010112. Its totient is φ = 10619433869520.

The previous prime is 21340443130313. The next prime is 21340443130343. The reversal of 21340443130322 is 22303134404312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21139748 + ... + 22126224.

It is an arithmetic number, because the mean of its divisors is an integer number (2010189625632).

Almost surely, 2^{21340443130322} is an apocalyptic number.

21340443130322 is a deficient number, since it is larger than the sum of its proper divisors (10822590879790).

21340443130322 is a wasteful number, since it uses less digits than its factorization.

21340443130322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037953.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 21340443130322 its reverse (22303134404312), we get a palindrome (43643577534634).

The spelling of 21340443130322 in words is "twenty-one trillion, three hundred forty billion, four hundred forty-three million, one hundred thirty thousand, three hundred twenty-two".