12112022222011 has 4 divisors (see below), whose sum is σ = 12115122308392. Its totient is φ = 12108922135632.

The previous prime is 12112022221969. The next prime is 12112022222081. The reversal of 12112022222011 is 11022222021121.

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 12112022222011 - 2¹⁵ = 12112022189243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12112022222011.

It is not an unprimeable number, because it can be changed into a prime (12112022222081) 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, 1550037330 + ... + 1550045143.

It is an arithmetic number, because the mean of its divisors is an integer number (3028780577098).

Almost surely, 2^{12112022222011} is an apocalyptic number.

12112022222011 is a deficient number, since it is larger than the sum of its proper divisors (3100086381).

12112022222011 is an equidigital number, since it uses as much as digits as its factorization.

12112022222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3100086380.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12112022222011 its reverse (11022222021121), we get a palindrome (23134244243132).

The spelling of 12112022222011 in words is "twelve trillion, one hundred twelve billion, twenty-two million, two hundred twenty-two thousand, eleven".