12112021202011 has 4 divisors (see below), whose sum is σ = 12124811088072. Its totient is φ = 12099231315952.

The previous prime is 12112021201967. The next prime is 12112021202059. The reversal of 12112021202011 is 11020212021121.

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 12112021202011 - 2¹⁷ = 12112021070939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12112021202711) 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, 6394941610 + ... + 6394943503.

It is an arithmetic number, because the mean of its divisors is an integer number (3031202772018).

Almost surely, 2^{12112021202011} is an apocalyptic number.

12112021202011 is a deficient number, since it is larger than the sum of its proper divisors (12789886061).

12112021202011 is an equidigital number, since it uses as much as digits as its factorization.

12112021202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12789886060.

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

Adding to 12112021202011 its reverse (11020212021121), we get a palindrome (23132233223132).

The spelling of 12112021202011 in words is "twelve trillion, one hundred twelve billion, twenty-one million, two hundred two thousand, eleven".