Adding to 1001100000 its reverse (11001), we get a palindrome (1001111001).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a congruent number.
Almost surely, 21001100000 is an apocalyptic number.
1001100000 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 practical number, because each smaller number is the sum of distinct divisors of 1001100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1700891136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1001100000 is an frugal number, since it uses more digits than its factorization.
1001100000 is an evil number, because the sum of its binary digits is even.
The square root of 1001100000 is about 31640.1643484986. The cubic root of 1001100000 is about 1000.3665323043.
The spelling of 1001100000 in words is "one billion, one million, one hundred thousand".