111222210200100 has 72 divisors (see below), whose sum is σ = 321830962437600. Its totient is φ = 29656672250880.

The previous prime is 111222210199993. The next prime is 111222210200119. The reversal of 111222210200100 is 1002012222111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111222210200100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12698125 + ... + 19587924.

It is an arithmetic number, because the mean of its divisors is an integer number (4469874478300).

Almost surely, 2^{111222210200100} is an apocalyptic number.

111222210200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111222210200100 is an abundant number, since it is smaller than the sum of its proper divisors (210608752237500).

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

111222210200100 is a wasteful number, since it uses less digits than its factorization.

111222210200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32297549 (or 32297542 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111222210200100 its reverse (1002012222111), we get a palindrome (112224222422211).

The spelling of 111222210200100 in words is "one hundred eleven trillion, two hundred twenty-two billion, two hundred ten million, two hundred thousand, one hundred".