12201113011211 has 2 divisors, whose sum is σ = 12201113011212. Its totient is φ = 12201113011210.

The previous prime is 12201113011193. The next prime is 12201113011267. The reversal of 12201113011211 is 11211031110221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12201113011211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12201113011211.

It is not a weakly prime, because it can be changed into another prime (12201113011511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100556505605 + 6100556505606.

It is an arithmetic number, because the mean of its divisors is an integer number (6100556505606).

Almost surely, 2^{12201113011211} is an apocalyptic number.

12201113011211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201113011211 is an equidigital number, since it uses as much as digits as its factorization.

12201113011211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 12201113011211 its reverse (11211031110221), we get a palindrome (23412144121432).

The spelling of 12201113011211 in words is "twelve trillion, two hundred one billion, one hundred thirteen million, eleven thousand, two hundred eleven".