12112100110101 has 4 divisors (see below), whose sum is σ = 16149466813472. Its totient is φ = 8074733406732.

The previous prime is 12112100110069. The next prime is 12112100110109. The reversal of 12112100110101 is 10101100121121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12112100110101 - 2⁵ = 12112100110069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112100110109) 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, 2018683351681 + ... + 2018683351686.

It is an arithmetic number, because the mean of its divisors is an integer number (4037366703368).

Almost surely, 2^{12112100110101} is an apocalyptic number.

It is an amenable number.

12112100110101 is a deficient number, since it is larger than the sum of its proper divisors (4037366703371).

12112100110101 is an equidigital number, since it uses as much as digits as its factorization.

12112100110101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037366703370.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 12112100110101 its reverse (10101100121121), we get a palindrome (22213200231222).

The spelling of 12112100110101 in words is "twelve trillion, one hundred twelve billion, one hundred million, one hundred ten thousand, one hundred one".