221130233203 has 16 divisors (see below), whose sum is σ = 245809922400. Its totient is φ = 197214151680.

The previous prime is 221130233201. The next prime is 221130233227. The reversal of 221130233203 is 302332031122.

It is a cyclic number.

It is not a de Polignac number, because 221130233203 - 2¹ = 221130233201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221130233201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10231933 + ... + 10253521.

It is an arithmetic number, because the mean of its divisors is an integer number (15363120150).

Almost surely, 2^221130233203 is an apocalyptic number.

221130233203 is a deficient number, since it is larger than the sum of its proper divisors (24679689197).

221130233203 is a wasteful number, since it uses less digits than its factorization.

221130233203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39222.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 221130233203 its reverse (302332031122), we get a palindrome (523462264325).

The spelling of 221130233203 in words is "two hundred twenty-one billion, one hundred thirty million, two hundred thirty-three thousand, two hundred three".