Adding to 111022120100 its reverse (1021220111), we get a palindrome (112043340211).
It is an unprimeable number.
Almost surely, 2111022120100 is an apocalyptic number.
111022120100 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 111022120100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127557460800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
111022120100 is a wasteful number, since it uses less digits than its factorization.
111022120100 is an evil number, because the sum of its binary digits is even.
The spelling of 111022120100 in words is "one hundred eleven billion, twenty-two million, one hundred twenty thousand, one hundred".