112201022222021 has 4 divisors (see below), whose sum is σ = 112201044601932. Its totient is φ = 112200999842112.

The previous prime is 112201022221993. The next prime is 112201022222111. The reversal of 112201022222021 is 120222220102211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 107656084305025 + 4544937916996 = 10375745^2 + 2131886^2 .

It is a cyclic number.

It is not a de Polignac number, because 112201022222021 - 2¹⁰ = 112201022220997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112201022221984 and 112201022222002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112201022221021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183725 + ... + 14981181.

It is an arithmetic number, because the mean of its divisors is an integer number (28050261150483).

Almost surely, 2^{112201022222021} is an apocalyptic number.

It is an amenable number.

112201022222021 is a deficient number, since it is larger than the sum of its proper divisors (22379911).

112201022222021 is an equidigital number, since it uses as much as digits as its factorization.

112201022222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22379910.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 112201022222021 its reverse (120222220102211), we get a palindrome (232423242324232).

The spelling of 112201022222021 in words is "one hundred twelve trillion, two hundred one billion, twenty-two million, two hundred twenty-two thousand, twenty-one".