111021112200100 has 36 divisors (see below), whose sum is σ = 241610095432944. Its totient is φ = 44280466638880.

The previous prime is 111021112199971. The next prime is 111021112200109. The reversal of 111021112200100 is 1002211120111.

It is a happy number.

111021112200100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (111021112200109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1599693142 + ... + 1599762541.

It is an arithmetic number, because the mean of its divisors is an integer number (6711391539804).

Almost surely, 2^{111021112200100} is an apocalyptic number.

111021112200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111021112200100 is an abundant number, since it is smaller than the sum of its proper divisors (130588983232844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111021112200100 is a wasteful number, since it uses less digits than its factorization.

111021112200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3199456044 (or 3199456037 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111021112200100 its reverse (1002211120111), we get a palindrome (112023323320211).

The spelling of 111021112200100 in words is "one hundred eleven trillion, twenty-one billion, one hundred twelve million, two hundred thousand, one hundred".