Adding to 1000111020 its reverse (201110001), we get a palindrome (1201221021).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
Almost surely, 21000111020 is an apocalyptic number.
1000111020 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 1000111020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1495809504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1000111020 is a wasteful number, since it uses less digits than its factorization.
1000111020 is an odious number, because the sum of its binary digits is odd.
The square root of 1000111020 is about 31624.5319332951. The cubic root of 1000111020 is about 1000.0370052973.
The spelling of 1000111020 in words is "one billion, one hundred eleven thousand, twenty".