12112101120111 has 16 divisors (see below), whose sum is σ = 16166366985600. Its totient is φ = 8066288947808.

The previous prime is 12112101120103. The next prime is 12112101120127. The reversal of 12112101120111 is 11102110121121.

It is a cyclic number.

It is not a de Polignac number, because 12112101120111 - 2³ = 12112101120103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112101120311) 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 in 15 ways as a sum of consecutive naturals, for example, 10827445 + ... + 11893601.

It is an arithmetic number, because the mean of its divisors is an integer number (1010397936600).

Almost surely, 2^{12112101120111} is an apocalyptic number.

12112101120111 is a deficient number, since it is larger than the sum of its proper divisors (4054265865489).

12112101120111 is a wasteful number, since it uses less digits than its factorization.

12112101120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070118.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 12112101120111 its reverse (11102110121121), we get a palindrome (23214211241232).

The spelling of 12112101120111 in words is "twelve trillion, one hundred twelve billion, one hundred one million, one hundred twenty thousand, one hundred eleven".