112222102221000 has 192 divisors, whose sum is σ = 379768282873200. Its totient is φ = 29889793152000.

The previous prime is 112222102220951. The next prime is 112222102221023. The reversal of 112222102221000 is 122201222211.

It is a happy number.

112222102221000 is a `hidden beast` number, since 1 + 1 + 222 + 210 + 22 + 210 + 0 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 1086693662916 + 111135408558084 = 1042446^2 + 10542078^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59581 + ... + 14981580.

Almost surely, 2^{112222102221000} is an apocalyptic number.

112222102221000 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 112222102221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189884141436600).

112222102221000 is an abundant number, since it is smaller than the sum of its proper divisors (267546180652200).

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

112222102221000 is a wasteful number, since it uses less digits than its factorization.

112222102221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15042017 (or 15042000 counting only the distinct ones).

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

Adding to 112222102221000 its reverse (122201222211), we get a palindrome (112344303443211).

The spelling of 112222102221000 in words is "one hundred twelve trillion, two hundred twenty-two billion, one hundred two million, two hundred twenty-one thousand".