221030102203 has 4 divisors (see below), whose sum is σ = 221044835880. Its totient is φ = 221015368528.

The previous prime is 221030102197. The next prime is 221030102219. The reversal of 221030102203 is 302201030122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 221030102203 - 2⁵ = 221030102171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221030102233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7344313 + ... + 7374346.

It is an arithmetic number, because the mean of its divisors is an integer number (55261208970).

Almost surely, 2^221030102203 is an apocalyptic number.

221030102203 is a deficient number, since it is larger than the sum of its proper divisors (14733677).

221030102203 is a wasteful number, since it uses less digits than its factorization.

221030102203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14733676.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 221030102203 its reverse (302201030122), we get a palindrome (523231132325).

The spelling of 221030102203 in words is "two hundred twenty-one billion, thirty million, one hundred two thousand, two hundred three".