12112110221110 has 48 divisors (see below), whose sum is σ = 23259095005536. Its totient is φ = 4540282821632.

The previous prime is 12112110221053. The next prime is 12112110221119. The reversal of 12112110221110 is 1112201121121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112110221119) 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 23 ways as a sum of consecutive naturals, for example, 8320282 + ... + 9667021.

It is an arithmetic number, because the mean of its divisors is an integer number (484564479282).

Almost surely, 2^{12112110221110} is an apocalyptic number.

12112110221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112110221110 is a deficient number, since it is larger than the sum of its proper divisors (11146984784426).

12112110221110 is a wasteful number, since it uses less digits than its factorization.

12112110221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17987577 (or 17987560 counting only the distinct ones).

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

Adding to 12112110221110 its reverse (1112201121121), we get a palindrome (13224311342231).

The spelling of 12112110221110 in words is "twelve trillion, one hundred twelve billion, one hundred ten million, two hundred twenty-one thousand, one hundred ten".