12112002101011 has 4 divisors (see below), whose sum is σ = 12122506874152. Its totient is φ = 12101497327872.

The previous prime is 12112002100997. The next prime is 12112002101033. The reversal of 12112002101011 is 11010120021121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12112002101011 - 2¹⁷ = 12112001969939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12112002100982 and 12112002101000.

It is not an unprimeable number, because it can be changed into a prime (12112002101071) 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, 5252384841 + ... + 5252387146.

It is an arithmetic number, because the mean of its divisors is an integer number (3030626718538).

Almost surely, 2^{12112002101011} is an apocalyptic number.

12112002101011 is a deficient number, since it is larger than the sum of its proper divisors (10504773141).

12112002101011 is a wasteful number, since it uses less digits than its factorization.

12112002101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10504773140.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12112002101011 its reverse (11010120021121), we get a palindrome (23122122122132).

The spelling of 12112002101011 in words is "twelve trillion, one hundred twelve billion, two million, one hundred one thousand, eleven".