12112001101 has 16 divisors (see below), whose sum is σ = 13185946368. Its totient is φ = 11080281600.

The previous prime is 12112001093. The next prime is 12112001107. The reversal of 12112001101 is 10110021121.

It is a cyclic number.

It is not a de Polignac number, because 12112001101 - 2³ = 12112001093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112001107) 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 15 ways as a sum of consecutive naturals, for example, 156826 + ... + 220948.

It is an arithmetic number, because the mean of its divisors is an integer number (824121648).

Almost surely, 2^12112001101 is an apocalyptic number.

It is an amenable number.

12112001101 is a deficient number, since it is larger than the sum of its proper divisors (1073945267).

12112001101 is a wasteful number, since it uses less digits than its factorization.

12112001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64452.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12112001101 its reverse (10110021121), we get a palindrome (22222022222).

The spelling of 12112001101 in words is "twelve billion, one hundred twelve million, one thousand, one hundred one".