12112102022011 has 4 divisors (see below), whose sum is σ = 12439456130752. Its totient is φ = 11784747913272.

The previous prime is 12112102022003. The next prime is 12112102022023. The reversal of 12112102022011 is 11022020121121.

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 12112102022011 - 2³ = 12112102022003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112102022081) 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, 163677054315 + ... + 163677054388.

It is an arithmetic number, because the mean of its divisors is an integer number (3109864032688).

Almost surely, 2^{12112102022011} is an apocalyptic number.

12112102022011 is a deficient number, since it is larger than the sum of its proper divisors (327354108741).

12112102022011 is an equidigital number, since it uses as much as digits as its factorization.

12112102022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327354108740.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12112102022011 its reverse (11022020121121), we get a palindrome (23134122143132).

The spelling of 12112102022011 in words is "twelve trillion, one hundred twelve billion, one hundred two million, twenty-two thousand, eleven".