12112110202111 has 4 divisors (see below), whose sum is σ = 12112117795800. Its totient is φ = 12112102608424.

The previous prime is 12112110202091. The next prime is 12112110202117. The reversal of 12112110202111 is 11120201121121.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12112110202111 - 2⁵ = 12112110202079 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 (12112110202117) 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, 378376 + ... + 4936333.

It is an arithmetic number, because the mean of its divisors is an integer number (3028029448950).

Almost surely, 2^{12112110202111} is an apocalyptic number.

12112110202111 is a deficient number, since it is larger than the sum of its proper divisors (7593689).

12112110202111 is an equidigital number, since it uses as much as digits as its factorization.

12112110202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7593688.

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

Adding to 12112110202111 its reverse (11120201121121), we get a palindrome (23232311323232).

The spelling of 12112110202111 in words is "twelve trillion, one hundred twelve billion, one hundred ten million, two hundred two thousand, one hundred eleven".