21442322433203 has 32 divisors (see below), whose sum is σ = 24783071539200. Its totient is φ = 18171551417760.

The previous prime is 21442322433187. The next prime is 21442322433239. The reversal of 21442322433203 is 30233422324412.

It is a cyclic number.

It is not a de Polignac number, because 21442322433203 - 2⁴ = 21442322433187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21442322433403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2893306568 + ... + 2893313978.

It is an arithmetic number, because the mean of its divisors is an integer number (774470985600).

Almost surely, 2^{21442322433203} is an apocalyptic number.

21442322433203 is a deficient number, since it is larger than the sum of its proper divisors (3340749105997).

21442322433203 is a wasteful number, since it uses less digits than its factorization.

21442322433203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13407.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 21442322433203 its reverse (30233422324412), we get a palindrome (51675744757615).

The spelling of 21442322433203 in words is "twenty-one trillion, four hundred forty-two billion, three hundred twenty-two million, four hundred thirty-three thousand, two hundred three".