112112212222201 has 4 divisors (see below), whose sum is σ = 112112658054900. Its totient is φ = 112111766389504.

The previous prime is 112112212222163. The next prime is 112112212222223. The reversal of 112112212222201 is 102222212211211.

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 86457936572176 + 25654275650025 = 9298276^2 + 5065005^2 .

It is a cyclic number.

It is not a de Polignac number, because 112112212222201 - 2¹¹ = 112112212220153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112112212222501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222538936 + ... + 223042153.

It is an arithmetic number, because the mean of its divisors is an integer number (28028164513725).

Almost surely, 2^{112112212222201} is an apocalyptic number.

It is an amenable number.

112112212222201 is a deficient number, since it is larger than the sum of its proper divisors (445832699).

112112212222201 is an equidigital number, since it uses as much as digits as its factorization.

112112212222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445832698.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 112112212222201 its reverse (102222212211211), we get a palindrome (214334424433412).

The spelling of 112112212222201 in words is "one hundred twelve trillion, one hundred twelve billion, two hundred twelve million, two hundred twenty-two thousand, two hundred one".