221202011103 has 16 divisors (see below), whose sum is σ = 304304670720. Its totient is φ = 142854120864.

The previous prime is 221202011081. The next prime is 221202011161. The reversal of 221202011103 is 301110202122.

It is not a de Polignac number, because 221202011103 - 2⁶ = 221202011039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221202011203) 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, 8792551 + ... + 8817672.

It is an arithmetic number, because the mean of its divisors is an integer number (19019041920).

Almost surely, 2^221202011103 is an apocalyptic number.

221202011103 is a deficient number, since it is larger than the sum of its proper divisors (83102659617).

221202011103 is a wasteful number, since it uses less digits than its factorization.

221202011103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17610358.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 221202011103 its reverse (301110202122), we get a palindrome (522312213225).

The spelling of 221202011103 in words is "two hundred twenty-one billion, two hundred two million, eleven thousand, one hundred three".