112211222100 has 36 divisors (see below), whose sum is σ = 324664470144. Its totient is φ = 29922992480.

The previous prime is 112211222093. The next prime is 112211222153. The reversal of 112211222100 is 1222112211.

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 112211222100.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 187018404 + ... + 187019003.

It is an arithmetic number, because the mean of its divisors is an integer number (9018457504).

Almost surely, 2^112211222100 is an apocalyptic number.

112211222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112211222100 is an abundant number, since it is smaller than the sum of its proper divisors (212453248044).

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

112211222100 is a wasteful number, since it uses less digits than its factorization.

112211222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374037424 (or 374037417 counting only the distinct ones).

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

Adding to 112211222100 its reverse (1222112211), we get a palindrome (113433334311).

It can be divided in two parts, 11221 and 1222100, that added together give a palindrome (1233321).

The spelling of 112211222100 in words is "one hundred twelve billion, two hundred eleven million, two hundred twenty-two thousand, one hundred".