221322030203 has 16 divisors (see below), whose sum is σ = 225402372864. Its totient is φ = 217270257120.

The previous prime is 221322030191. The next prime is 221322030211. The reversal of 221322030203 is 302030223122.

It is a cyclic number.

It is not a de Polignac number, because 221322030203 - 2¹⁶ = 221321964667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221322030403) 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, 18644276 + ... + 18656142.

It is an arithmetic number, because the mean of its divisors is an integer number (14087648304).

Almost surely, 2^221322030203 is an apocalyptic number.

221322030203 is a deficient number, since it is larger than the sum of its proper divisors (4080342661).

221322030203 is a wasteful number, since it uses less digits than its factorization.

221322030203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13042.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 221322030203 its reverse (302030223122), we get a palindrome (523352253325).

The spelling of 221322030203 in words is "two hundred twenty-one billion, three hundred twenty-two million, thirty thousand, two hundred three".