21444313000122 has 96 divisors (see below), whose sum is σ = 51559928709120. Its totient is φ = 6414005256480.

The previous prime is 21444313000051. The next prime is 21444313000129. The reversal of 21444313000122 is 22100031344412.

21444313000122 is a `hidden beast` number, since 214 + 4 + 431 + 3 + 0 + 0 + 0 + 12 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (21444313000129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21019438 + ... + 22016025.

It is an arithmetic number, because the mean of its divisors is an integer number (537082590720).

Almost surely, 2^{21444313000122} is an apocalyptic number.

21444313000122 is an abundant number, since it is smaller than the sum of its proper divisors (30115615708998).

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

21444313000122 is a wasteful number, since it uses less digits than its factorization.

21444313000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43035568 (or 43035565 counting only the distinct ones).

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

Adding to 21444313000122 its reverse (22100031344412), we get a palindrome (43544344344534).

The spelling of 21444313000122 in words is "twenty-one trillion, four hundred forty-four billion, three hundred thirteen million, one hundred twenty-two", and thus it is an aban number.