12112111120211 has 8 divisors (see below), whose sum is σ = 12182375304624. Its totient is φ = 12041849832480.

The previous prime is 12112111120201. The next prime is 12112111120229. The reversal of 12112111120211 is 11202111121121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12112111120211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12112111120211.

It is not an unprimeable number, because it can be changed into a prime (12112111120201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7964276 + ... + 9362366.

It is an arithmetic number, because the mean of its divisors is an integer number (1522796913078).

Almost surely, 2^{12112111120211} is an apocalyptic number.

12112111120211 is a deficient number, since it is larger than the sum of its proper divisors (70264184413).

12112111120211 is a wasteful number, since it uses less digits than its factorization.

12112111120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448341.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 12112111120211 its reverse (11202111121121), we get a palindrome (23314222241332).

The spelling of 12112111120211 in words is "twelve trillion, one hundred twelve billion, one hundred eleven million, one hundred twenty thousand, two hundred eleven".