It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a Duffinian number.
Almost surely, 212010110111211 is an apocalyptic number.
12010110111211 is an equidigital number, since it uses as much as digits as its factorization.
12010110111211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1984164340.
Adding to 12010110111211 its reverse (11211101101021), we get a palindrome (23221211212232).
The spelling of 12010110111211 in words is "twelve trillion, ten billion, one hundred ten million, one hundred eleven thousand, two hundred eleven".