112222021100 has 72 divisors (see below), whose sum is σ = 279369285888. Its totient is φ = 38329761600.

The previous prime is 112222021073. The next prime is 112222021111. The reversal of 112222021100 is 1120222211.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120686 + ... + 488885.

Almost surely, 2^112222021100 is an apocalyptic number.

112222021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112222021100 is an abundant number, since it is smaller than the sum of its proper divisors (167147264788).

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

112222021100 is a wasteful number, since it uses less digits than its factorization.

112222021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609855 (or 609848 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112222021100 its reverse (1120222211), we get a palindrome (113342243311).

The spelling of 112222021100 in words is "one hundred twelve billion, two hundred twenty-two million, twenty-one thousand, one hundred".