112200423021 has 24 divisors (see below), whose sum is σ = 169777560960. Its totient is φ = 73201000968.

The previous prime is 112200422981. The next prime is 112200423029. The reversal of 112200423021 is 120324002211.

It is a happy number.

112200423021 is a `hidden beast` number, since 1 + 1 + 220 + 0 + 423 + 0 + 21 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-112200423021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112200422985 and 112200423003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112200423029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11927706 + ... + 11937108.

It is an arithmetic number, because the mean of its divisors is an integer number (7074065040).

Almost surely, 2^112200423021 is an apocalyptic number.

It is an amenable number.

112200423021 is a deficient number, since it is larger than the sum of its proper divisors (57577137939).

112200423021 is an frugal number, since it uses more digits than its factorization.

112200423021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18862 (or 9453 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 112200423021 its reverse (120324002211), we get a palindrome (232524425232).

The spelling of 112200423021 in words is "one hundred twelve billion, two hundred million, four hundred twenty-three thousand, twenty-one".