112211002111171 has 2 divisors, whose sum is σ = 112211002111172. Its totient is φ = 112211002111170.

The previous prime is 112211002111147. The next prime is 112211002111217. The reversal of 112211002111171 is 171111200112211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112211002111171 - 2⁵ = 112211002111139 is a prime.

It is not a weakly prime, because it can be changed into another prime (112211002111111) 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 as a sum of consecutive naturals, namely, 56105501055585 + 56105501055586.

It is an arithmetic number, because the mean of its divisors is an integer number (56105501055586).

Almost surely, 2^{112211002111171} is an apocalyptic number.

112211002111171 is a deficient number, since it is larger than the sum of its proper divisors (1).

112211002111171 is an equidigital number, since it uses as much as digits as its factorization.

112211002111171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 22.

Adding to 112211002111171 its reverse (171111200112211), we get a palindrome (283322202223382).

The spelling of 112211002111171 in words is "one hundred twelve trillion, two hundred eleven billion, two million, one hundred eleven thousand, one hundred seventy-one".