12112120110211 has 4 divisors (see below), whose sum is σ = 13213221938424. Its totient is φ = 11011018282000.

The previous prime is 12112120110187. The next prime is 12112120110283. The reversal of 12112120110211 is 11201102121121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12112120110211 - 2¹¹ = 12112120108163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112120110011) 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 3 ways as a sum of consecutive naturals, for example, 550550914090 + ... + 550550914111.

It is an arithmetic number, because the mean of its divisors is an integer number (3303305484606).

Almost surely, 2^{12112120110211} is an apocalyptic number.

12112120110211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12112120110211 is a deficient number, since it is larger than the sum of its proper divisors (1101101828213).

12112120110211 is a wasteful number, since it uses less digits than its factorization.

12112120110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101101828212.

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

Adding to 12112120110211 its reverse (11201102121121), we get a palindrome (23313222231332).

The spelling of 12112120110211 in words is "twelve trillion, one hundred twelve billion, one hundred twenty million, one hundred ten thousand, two hundred eleven".