21340211322 has 8 divisors (see below), whose sum is σ = 42680422656. Its totient is φ = 7113403772.

The previous prime is 21340211273. The next prime is 21340211351. The reversal of 21340211322 is 22311204312.

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

21340211322 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1778350938 + ... + 1778350949.

It is an arithmetic number, because the mean of its divisors is an integer number (5335052832).

Almost surely, 2^21340211322 is an apocalyptic number.

21340211322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21340211322 is a wasteful number, since it uses less digits than its factorization.

21340211322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556701892.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21340211322 its reverse (22311204312), we get a palindrome (43651415634).

The spelling of 21340211322 in words is "twenty-one billion, three hundred forty million, two hundred eleven thousand, three hundred twenty-two".