112222200022021 has 4 divisors (see below), whose sum is σ = 112222256227200. Its totient is φ = 112222143816844.

The previous prime is 112222200021991. The next prime is 112222200022069. The reversal of 112222200022021 is 120220002222211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112222200022021 - 2¹⁵ = 112222199989253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112222200022021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112222200022721) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24992911 + ... + 29139148.

It is an arithmetic number, because the mean of its divisors is an integer number (28055564056800).

Almost surely, 2^{112222200022021} is an apocalyptic number.

It is an amenable number.

112222200022021 is a deficient number, since it is larger than the sum of its proper divisors (56205179).

112222200022021 is an equidigital number, since it uses as much as digits as its factorization.

112222200022021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56205178.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 112222200022021 its reverse (120220002222211), we get a palindrome (232442202244232).

The spelling of 112222200022021 in words is "one hundred twelve trillion, two hundred twenty-two billion, two hundred million, twenty-two thousand, twenty-one".