111220201103 has 4 divisors (see below), whose sum is σ = 121331128488. Its totient is φ = 101109273720.

The previous prime is 111220201061. The next prime is 111220201177. The reversal of 111220201103 is 301102022111.

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 111220201103 - 2¹² = 111220197007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220200103) 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, 5055463676 + ... + 5055463697.

It is an arithmetic number, because the mean of its divisors is an integer number (30332782122).

Almost surely, 2^111220201103 is an apocalyptic number.

111220201103 is a deficient number, since it is larger than the sum of its proper divisors (10110927385).

111220201103 is a wasteful number, since it uses less digits than its factorization.

111220201103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110927384.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 111220201103 its reverse (301102022111), we get a palindrome (412322223214).

The spelling of 111220201103 in words is "one hundred eleven billion, two hundred twenty million, two hundred one thousand, one hundred three".