It is a happy number.
It is an unprimeable number.
Almost surely, 2101111001001000 is an apocalyptic number.
101111001001000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101111001001000 is a wasteful number, since it uses less digits than its factorization.
101111001001000 is an odious number, because the sum of its binary digits is odd.
Adding to 101111001001000 its reverse (100100111101), we get a palindrome (101211101112101).
The spelling of 101111001001000 in words is "one hundred one trillion, one hundred eleven billion, one million, one thousand".