221030010203 has 8 divisors (see below), whose sum is σ = 227522046528. Its totient is φ = 214623961344.

The previous prime is 221030010191. The next prime is 221030010217. The reversal of 221030010203 is 302010030122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221030010203 - 2⁶ = 221030010139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221030010283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21491651 + ... + 21501932.

It is an arithmetic number, because the mean of its divisors is an integer number (28440255816).

Almost surely, 2^221030010203 is an apocalyptic number.

221030010203 is a deficient number, since it is larger than the sum of its proper divisors (6492036325).

221030010203 is an equidigital number, since it uses as much as digits as its factorization.

221030010203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42993733.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 221030010203 its reverse (302010030122), we get a palindrome (523040040325).

The spelling of 221030010203 in words is "two hundred twenty-one billion, thirty million, ten thousand, two hundred three".