1112322221100 has 864 divisors, whose sum is σ = 3871802188800. Its totient is φ = 276397608960.

The previous prime is 1112322221093. The next prime is 1112322221117. The reversal of 1112322221100 is 11222232111.

1112322221100 is a `hidden beast` number, since 1 + 112 + 322 + 221 + 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 (17) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 5589558801 + ... + 5589558999.

Almost surely, 2^{1112322221100} is an apocalyptic number.

1112322221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112322221100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1935901094400).

1112322221100 is an abundant number, since it is smaller than the sum of its proper divisors (2759479967700).

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

1112322221100 is a wasteful number, since it uses less digits than its factorization.

1112322221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1112322221100 its reverse (11222232111), we get a palindrome (1123544453211).

It can be divided in two parts, 111232 and 2221100, that added together give a palindrome (2332332).

The spelling of 1112322221100 in words is "one trillion, one hundred twelve billion, three hundred twenty-two million, two hundred twenty-one thousand, one hundred".