12011021302211 has 2 divisors, whose sum is σ = 12011021302212. Its totient is φ = 12011021302210.

The previous prime is 12011021302193. The next prime is 12011021302213. The reversal of 12011021302211 is 11220312011021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12011021302211 - 2¹⁰ = 12011021301187 is a prime.

Together with 12011021302213, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12011021302211.

It is not a weakly prime, because it can be changed into another prime (12011021302213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005510651105 + 6005510651106.

It is an arithmetic number, because the mean of its divisors is an integer number (6005510651106).

Almost surely, 2^{12011021302211} is an apocalyptic number.

12011021302211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011021302211 is an equidigital number, since it uses as much as digits as its factorization.

12011021302211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12011021302211 its reverse (11220312011021), we get a palindrome (23231333313232).

The spelling of 12011021302211 in words is "twelve trillion, eleven billion, twenty-one million, three hundred two thousand, two hundred eleven".