21321122222322 has 48 divisors (see below), whose sum is σ = 51912297597888. Its totient is φ = 6275112893280.

The previous prime is 21321122222303. The next prime is 21321122222327. The reversal of 21321122222322 is 22322222112312.

21321122222322 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 112 + 2 + 222 + 322 = 666.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (21321122222327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1980775204 + ... + 1980785967.

It is an arithmetic number, because the mean of its divisors is an integer number (1081506199956).

Almost surely, 2^{21321122222322} is an apocalyptic number.

21321122222322 is an abundant number, since it is smaller than the sum of its proper divisors (30591175375566).

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

21321122222322 is a wasteful number, since it uses less digits than its factorization.

21321122222322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3961561215 (or 3961561212 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 21321122222322 its reverse (22322222112312), we get a palindrome (43643344334634).

The spelling of 21321122222322 in words is "twenty-one trillion, three hundred twenty-one billion, one hundred twenty-two million, two hundred twenty-two thousand, three hundred twenty-two".