Adding to 101211112010011 its reverse (110010211112101), we get a palindrome (211221323122112).
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a Duffinian number.
Almost surely, 2101211112010011 is an apocalyptic number.
101211112010011 is an equidigital number, since it uses as much as digits as its factorization.
101211112010011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 982632155540.
The spelling of 101211112010011 in words is "one hundred one trillion, two hundred eleven billion, one hundred twelve million, ten thousand, eleven".