12201011211211 has 2 divisors, whose sum is σ = 12201011211212. Its totient is φ = 12201011211210.

The previous prime is 12201011211173. The next prime is 12201011211241. The reversal of 12201011211211 is 11211211010221.

12201011211211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12201011211211 - 2³⁹ = 11651255397323 is a prime.

It is not a weakly prime, because it can be changed into another prime (12201011211241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100505605605 + 6100505605606.

It is an arithmetic number, because the mean of its divisors is an integer number (6100505605606).

Almost surely, 2^{12201011211211} is an apocalyptic number.

12201011211211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201011211211 is an equidigital number, since it uses as much as digits as its factorization.

12201011211211 is an evil number, because the sum of its binary digits is even.

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

Adding to 12201011211211 its reverse (11211211010221), we get a palindrome (23412222221432).

The spelling of 12201011211211 in words is "twelve trillion, two hundred one billion, eleven million, two hundred eleven thousand, two hundred eleven".