221234424003 has 6 divisors (see below), whose sum is σ = 319560834684. Its totient is φ = 147489615996.

The previous prime is 221234423953. The next prime is 221234424011. The reversal of 221234424003 is 300424432122.

221234424003 is a `hidden beast` number, since 2 + 2 + 1 + 234 + 424 + 0 + 0 + 3 = 666.

It is not a de Polignac number, because 221234424003 - 2²⁰ = 221233375427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221234474003) 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 5 ways as a sum of consecutive naturals, for example, 12290801325 + ... + 12290801342.

It is an arithmetic number, because the mean of its divisors is an integer number (53260139114).

Almost surely, 2^221234424003 is an apocalyptic number.

221234424003 is a deficient number, since it is larger than the sum of its proper divisors (98326410681).

221234424003 is a wasteful number, since it uses less digits than its factorization.

221234424003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24581602673 (or 24581602670 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 221234424003 its reverse (300424432122), we get a palindrome (521658856125).

The spelling of 221234424003 in words is "two hundred twenty-one billion, two hundred thirty-four million, four hundred twenty-four thousand, three".