12112101103 has 4 divisors (see below), whose sum is σ = 12113976448. Its totient is φ = 12110225760.

The previous prime is 12112101101. The next prime is 12112101179. The reversal of 12112101103 is 30110121121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30110121121 = 1471 ⋅20469151.

It is a cyclic number.

It is not a de Polignac number, because 12112101103 - 2¹ = 12112101101 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 (12112101101) 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, 927951 + ... + 940912.

It is an arithmetic number, because the mean of its divisors is an integer number (3028494112).

Almost surely, 2^12112101103 is an apocalyptic number.

12112101103 is a deficient number, since it is larger than the sum of its proper divisors (1875345).

12112101103 is an equidigital number, since it uses as much as digits as its factorization.

12112101103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875344.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 12112101103 its reverse (30110121121), we get a palindrome (42222222224).

The spelling of 12112101103 in words is "twelve billion, one hundred twelve million, one hundred one thousand, one hundred three".