It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 101111001001001.
Almost surely, 2101111001001001 is an apocalyptic number.
It is an amenable number.
101111001001001 is an equidigital number, since it uses as much as digits as its factorization.
101111001001001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 198646367898.
Adding to 101111001001001 its reverse (100100100111101), we get a palindrome (201211101112102).
The spelling of 101111001001001 in words is "one hundred one trillion, one hundred eleven billion, one million, one thousand, one".