Adding to 1112201100 its reverse (11022111), we get a palindrome (1123223211).
It is a happy number.
It is an unprimeable number.
Almost surely, 21112201100 is an apocalyptic number.
1112201100 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 1112201100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1849786120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1112201100 is a wasteful number, since it uses less digits than its factorization.
1112201100 is an evil number, because the sum of its binary digits is even.
The square root of 1112201100 is about 33349.6791588765. The cubic root of 1112201100 is about 1036.0827428534.
The spelling of 1112201100 in words is "one billion, one hundred twelve million, two hundred one thousand, one hundred".