12112102201111 has 12 divisors (see below), whose sum is σ = 13316863575400. Its totient is φ = 11008056684240.

The previous prime is 12112102201049. The next prime is 12112102201181. The reversal of 12112102201111 is 11110220121121.

It is not a de Polignac number, because 12112102201111 - 2⁷ = 12112102200983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112102201181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12933516 + ... + 13838353.

Almost surely, 2^{12112102201111} is an apocalyptic number.

12112102201111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12112102201111 is a deficient number, since it is larger than the sum of its proper divisors (1204761374289).

12112102201111 is a wasteful number, since it uses less digits than its factorization.

12112102201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26775630 (or 26775619 counting only the distinct ones).

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

Adding to 12112102201111 its reverse (11110220121121), we get a palindrome (23222322322232).

The spelling of 12112102201111 in words is "twelve trillion, one hundred twelve billion, one hundred two million, two hundred one thousand, one hundred eleven".