12200112011 has 2 divisors, whose sum is σ = 12200112012. Its totient is φ = 12200112010.

The previous prime is 12200111971. The next prime is 12200112013. The reversal of 12200112011 is 11021100221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12200112011 - 2⁶ = 12200111947 is a prime.

Together with 12200112013, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12200111983 and 12200112001.

It is not a weakly prime, because it can be changed into another prime (12200112013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100056005 + 6100056006.

It is an arithmetic number, because the mean of its divisors is an integer number (6100056006).

Almost surely, 2^12200112011 is an apocalyptic number.

12200112011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200112011 is an equidigital number, since it uses as much as digits as its factorization.

12200112011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12200112011 its reverse (11021100221), we get a palindrome (23221212232).

The spelling of 12200112011 in words is "twelve billion, two hundred million, one hundred twelve thousand, eleven".