100111 is nontrivially palindromic in base 15.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a Duffinian number.
It is a zygodrome in base 2.
It is a self number, because there is not a number n which added to its sum of digits gives 100111.
It is a congruent number.
2100111 is an apocalyptic number.
100111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
100111 is the 142-nd centered decagonal number.
100111 is a wasteful number, since it uses less digits than its factorization.
100111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 509.
The square root of 100111 is about 316.4032237510. The cubic root of 100111 is about 46.4330558644.
Adding to 100111 its reverse (111001), we get a palindrome (211112).
Multiplying 100111 by its reverse (111001), we get a palindrome (11112421111).
The spelling of 100111 in words is "one hundred thousand, one hundred eleven", and thus it is an iban number.