21200223131322 has 64 divisors (see below), whose sum is σ = 45327811008000. Its totient is φ = 6590573605440.

The previous prime is 21200223131293. The next prime is 21200223131357. The reversal of 21200223131322 is 22313132200212.

It is a junction number, because it is equal to n+sod(n) for n = 21200223131292 and 21200223131301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10787304 + ... + 12600252.

It is an arithmetic number, because the mean of its divisors is an integer number (708247047000).

Almost surely, 2^{21200223131322} is an apocalyptic number.

21200223131322 is an abundant number, since it is smaller than the sum of its proper divisors (24127587876678).

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

21200223131322 is a wasteful number, since it uses less digits than its factorization.

21200223131322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814571.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21200223131322 its reverse (22313132200212), we get a palindrome (43513355331534).

The spelling of 21200223131322 in words is "twenty-one trillion, two hundred billion, two hundred twenty-three million, one hundred thirty-one thousand, three hundred twenty-two".