221200011103 has 16 divisors (see below), whose sum is σ = 235170625536. Its totient is φ = 207336403840.

The previous prime is 221200011089. The next prime is 221200011127. The reversal of 221200011103 is 301110002122.

221200011103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221200011103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221200011173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25529550 + ... + 25538212.

It is an arithmetic number, because the mean of its divisors is an integer number (14698164096).

Almost surely, 2^221200011103 is an apocalyptic number.

221200011103 is a deficient number, since it is larger than the sum of its proper divisors (13970614433).

221200011103 is a wasteful number, since it uses less digits than its factorization.

221200011103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14654.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 221200011103 its reverse (301110002122), we get a palindrome (522310013225).

The spelling of 221200011103 in words is "two hundred twenty-one billion, two hundred million, eleven thousand, one hundred three".