12112111110001 has 8 divisors (see below), whose sum is σ = 13846321907264. Its totient is φ = 10378877615280.

The previous prime is 12112111109977. The next prime is 12112111110007. The reversal of 12112111110001 is 10001111121121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12112111110001 - 2⁹ = 12112111109489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12112111110007) 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, 244299075 + ... + 244348648.

It is an arithmetic number, because the mean of its divisors is an integer number (1730790238408).

Almost surely, 2^{12112111110001} is an apocalyptic number.

It is an amenable number.

12112111110001 is a deficient number, since it is larger than the sum of its proper divisors (1734210797263).

12112111110001 is an equidigital number, since it uses as much as digits as its factorization.

12112111110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488651271.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 12112111110001 its reverse (10001111121121), we get a palindrome (22113222231122).

The spelling of 12112111110001 in words is "twelve trillion, one hundred twelve billion, one hundred eleven million, one hundred ten thousand, one".