12111010201211 has 2 divisors, whose sum is σ = 12111010201212. Its totient is φ = 12111010201210.

The previous prime is 12111010201117. The next prime is 12111010201259. The reversal of 12111010201211 is 11210201011121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12111010201211 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12111010201291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055505100605 + 6055505100606.

It is an arithmetic number, because the mean of its divisors is an integer number (6055505100606).

Almost surely, 2^{12111010201211} is an apocalyptic number.

12111010201211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111010201211 is an equidigital number, since it uses as much as digits as its factorization.

12111010201211 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 14.

Adding to 12111010201211 its reverse (11210201011121), we get a palindrome (23321211212332).

The spelling of 12111010201211 in words is "twelve trillion, one hundred eleven billion, ten million, two hundred one thousand, two hundred eleven".