12112120200111 has 16 divisors (see below), whose sum is σ = 16587126249984. Its totient is φ = 7855960997664.

The previous prime is 12112120200049. The next prime is 12112120200197. The reversal of 12112120200111 is 11100202121121.

It is a happy number.

It is not a de Polignac number, because 12112120200111 - 2¹¹ = 12112120198063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112120205111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2217835 + ... + 5398428.

It is an arithmetic number, because the mean of its divisors is an integer number (1036695390624).

Almost surely, 2^{12112120200111} is an apocalyptic number.

12112120200111 is a deficient number, since it is larger than the sum of its proper divisors (4475006049873).

12112120200111 is a wasteful number, since it uses less digits than its factorization.

12112120200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7630630.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12112120200111 its reverse (11100202121121), we get a palindrome (23212322321232).

The spelling of 12112120200111 in words is "twelve trillion, one hundred twelve billion, one hundred twenty million, two hundred thousand, one hundred eleven".