111221021100200 has 96 divisors (see below), whose sum is σ = 291196855422720. Its totient is φ = 39139362240000.

The previous prime is 111221021100199. The next prime is 111221021100227. The reversal of 111221021100200 is 2001120122111.

It is a super-2 number, since 2×111221021100200² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 815335181 + ... + 815471580.

It is an arithmetic number, because the mean of its divisors is an integer number (3033300577320).

Almost surely, 2^{111221021100200} is an apocalyptic number.

111221021100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111221021100200 is an abundant number, since it is smaller than the sum of its proper divisors (179975834322520).

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

111221021100200 is a wasteful number, since it uses less digits than its factorization.

111221021100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630806819 (or 1630806810 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111221021100200 its reverse (2001120122111), we get a palindrome (113222141222311).

The spelling of 111221021100200 in words is "one hundred eleven trillion, two hundred twenty-one billion, twenty-one million, one hundred thousand, two hundred".