12112221103 has 8 divisors (see below), whose sum is σ = 12153822800. Its totient is φ = 12070650240.

The previous prime is 12112221091. The next prime is 12112221119. The reversal of 12112221103 is 30112221121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12112221103 - 2⁵ = 12112221071 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 (12112221193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999223 + ... + 1011271.

It is an arithmetic number, because the mean of its divisors is an integer number (1519227850).

Almost surely, 2^12112221103 is an apocalyptic number.

12112221103 is a deficient number, since it is larger than the sum of its proper divisors (41601697).

12112221103 is a wasteful number, since it uses less digits than its factorization.

12112221103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15417.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12112221103 its reverse (30112221121), we get a palindrome (42224442224).

The spelling of 12112221103 in words is "twelve billion, one hundred twelve million, two hundred twenty-one thousand, one hundred three".