12112120211011 has 2 divisors, whose sum is σ = 12112120211012. Its totient is φ = 12112120211010.

The previous prime is 12112120211003. The next prime is 12112120211047. The reversal of 12112120211011 is 11011202121121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12112120211011 - 2³ = 12112120211003 is a prime.

It is not a weakly prime, because it can be changed into another prime (12112120211111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056060105505 + 6056060105506.

It is an arithmetic number, because the mean of its divisors is an integer number (6056060105506).

Almost surely, 2^{12112120211011} is an apocalyptic number.

12112120211011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112120211011 is an equidigital number, since it uses as much as digits as its factorization.

12112120211011 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12112120211011 its reverse (11011202121121), we get a palindrome (23123322332132).

The spelling of 12112120211011 in words is "twelve trillion, one hundred twelve billion, one hundred twenty million, two hundred eleven thousand, eleven".