12112111001033 has 4 divisors (see below), whose sum is σ = 12112312650768. Its totient is φ = 12111909351300.

The previous prime is 12112111001021. The next prime is 12112111001057. The reversal of 12112111001033 is 33010011121121.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12112111001033 is a prime.

It is a super-3 number, since 3×12112111001033³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112111001083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100734743 + ... + 100854908.

It is an arithmetic number, because the mean of its divisors is an integer number (3028078162692).

Almost surely, 2^{12112111001033} is an apocalyptic number.

It is an amenable number.

12112111001033 is a deficient number, since it is larger than the sum of its proper divisors (201649735).

12112111001033 is an equidigital number, since it uses as much as digits as its factorization.

12112111001033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201649734.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 12112111001033 its reverse (33010011121121), we get a palindrome (45122122122154).

The spelling of 12112111001033 in words is "twelve trillion, one hundred twelve billion, one hundred eleven million, one thousand, thirty-three".