222112220201100 has 108 divisors (see below), whose sum is σ = 720205256621760. Its totient is φ = 57187514160000.

The previous prime is 222112220201089. The next prime is 222112220201143. The reversal of 222112220201100 is 1102022211222.

It is a happy number.

222112220201100 is a `hidden beast` number, since 2 + 221 + 12 + 220 + 201 + 10 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 35 ways as a sum of consecutive naturals, for example, 4254997276 + ... + 4255049475.

Almost surely, 2^{222112220201100} is an apocalyptic number.

222112220201100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222112220201100 is an abundant number, since it is smaller than the sum of its proper divisors (498093036420660).

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

222112220201100 is a wasteful number, since it uses less digits than its factorization.

222112220201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8510046800 (or 8510046790 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222112220201100 its reverse (1102022211222), we get a palindrome (223214242412322).

The spelling of 222112220201100 in words is "two hundred twenty-two trillion, one hundred twelve billion, two hundred twenty million, two hundred one thousand, one hundred".