112222112200001 has 2 divisors, whose sum is σ = 112222112200002. Its totient is φ = 112222112200000.

The previous prime is 112222112199961. The next prime is 112222112200007. The reversal of 112222112200001 is 100002211222211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58383719573776 + 53838392626225 = 7640924^2 + 7337465^2 .

It is an emirp because it is prime and its reverse (100002211222211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112222112200001 - 2⁶ = 112222112199937 is a prime.

It is a super-2 number, since 2×112222112200001² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112222112200007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56111056100000 + 56111056100001.

It is an arithmetic number, because the mean of its divisors is an integer number (56111056100001).

Almost surely, 2^{112222112200001} is an apocalyptic number.

It is an amenable number.

112222112200001 is a deficient number, since it is larger than the sum of its proper divisors (1).

112222112200001 is an equidigital number, since it uses as much as digits as its factorization.

112222112200001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112222112200001 its reverse (100002211222211), we get a palindrome (212224323422212).

The spelling of 112222112200001 in words is "one hundred twelve trillion, two hundred twenty-two billion, one hundred twelve million, two hundred thousand, one".