12112103011 has 2 divisors, whose sum is σ = 12112103012. Its totient is φ = 12112103010.

The previous prime is 12112102939. The next prime is 12112103051. The reversal of 12112103011 is 11030121121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12112103011 - 2⁷ = 12112102883 is a prime.

It is a super-2 number, since 2×12112103011² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12112102982 and 12112103000.

It is not a weakly prime, because it can be changed into another prime (12112103051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056051505 + 6056051506.

It is an arithmetic number, because the mean of its divisors is an integer number (6056051506).

Almost surely, 2^12112103011 is an apocalyptic number.

12112103011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112103011 is an equidigital number, since it uses as much as digits as its factorization.

12112103011 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12112103011 its reverse (11030121121), we get a palindrome (23142224132).

The spelling of 12112103011 in words is "twelve billion, one hundred twelve million, one hundred three thousand, eleven".