12112101022110 has 16 divisors (see below), whose sum is σ = 29069042453136. Its totient is φ = 3229893605888.

The previous prime is 12112101022069. The next prime is 12112101022111. The reversal of 12112101022110 is 1122010121121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12112101022110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112101022111) 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, 201868350339 + ... + 201868350398.

It is an arithmetic number, because the mean of its divisors is an integer number (1816815153321).

Almost surely, 2^{12112101022110} is an apocalyptic number.

12112101022110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112101022110 is an abundant number, since it is smaller than the sum of its proper divisors (16956941431026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12112101022110 is a wasteful number, since it uses less digits than its factorization.

12112101022110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403736700747.

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

Adding to 12112101022110 its reverse (1122010121121), we get a palindrome (13234111143231).

The spelling of 12112101022110 in words is "twelve trillion, one hundred twelve billion, one hundred one million, twenty-two thousand, one hundred ten".