222110111100 has 36 divisors (see below), whose sum is σ = 642638588984. Its totient is φ = 59229362880.

The previous prime is 222110111071. The next prime is 222110111123. The reversal of 222110111100 is 1111011222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370183219 + ... + 370183818.

Almost surely, 2^222110111100 is an apocalyptic number.

222110111100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222110111100 is an abundant number, since it is smaller than the sum of its proper divisors (420528477884).

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

222110111100 is a wasteful number, since it uses less digits than its factorization.

222110111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740367054 (or 740367047 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 222110111100 its reverse (1111011222), we get a palindrome (223221122322).

The spelling of 222110111100 in words is "two hundred twenty-two billion, one hundred ten million, one hundred eleven thousand, one hundred".