11220112103 has 4 divisors (see below), whose sum is σ = 11707943088. Its totient is φ = 10732281120.

The previous prime is 11220112091. The next prime is 11220112117. The reversal of 11220112103 is 30121102211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30121102211 = 19 ⋅1585321169.

It is a cyclic number.

It is not a de Polignac number, because 11220112103 - 2¹⁰ = 11220111079 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 (11220112153) 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, 243915458 + ... + 243915503.

It is an arithmetic number, because the mean of its divisors is an integer number (2926985772).

Almost surely, 2^11220112103 is an apocalyptic number.

11220112103 is a deficient number, since it is larger than the sum of its proper divisors (487830985).

11220112103 is an equidigital number, since it uses as much as digits as its factorization.

11220112103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487830984.

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

Adding to 11220112103 its reverse (30121102211), we get a palindrome (41341214314).

The spelling of 11220112103 in words is "eleven billion, two hundred twenty million, one hundred twelve thousand, one hundred three".