21340222012322 has 24 divisors (see below), whose sum is σ = 33095706930000. Its totient is φ = 10319834655720.

The previous prime is 21340222012321. The next prime is 21340222012363. The reversal of 21340222012322 is 22321022204312.

It is a super-2 number, since 2×21340222012322² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21340222012291 and 21340222012300.

It is not an unprimeable number, because it can be changed into a prime (21340222012321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2072 + ... + 6533027.

It is an arithmetic number, because the mean of its divisors is an integer number (1378987788750).

Almost surely, 2^{21340222012322} is an apocalyptic number.

21340222012322 is a deficient number, since it is larger than the sum of its proper divisors (11755484917678).

21340222012322 is a wasteful number, since it uses less digits than its factorization.

21340222012322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6536862 (or 6536831 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 21340222012322 its reverse (22321022204312), we get a palindrome (43661244216634).

The spelling of 21340222012322 in words is "twenty-one trillion, three hundred forty billion, two hundred twenty-two million, twelve thousand, three hundred twenty-two".