112222021120171 has 2 divisors, whose sum is σ = 112222021120172. Its totient is φ = 112222021120170.

The previous prime is 112222021120109. The next prime is 112222021120193. The reversal of 112222021120171 is 171021120222211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112222021120171 - 2²⁵ = 112221987565739 is a prime.

It is a super-2 number, since 2×112222021120171² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112222021120771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56111010560085 + 56111010560086.

It is an arithmetic number, because the mean of its divisors is an integer number (56111010560086).

Almost surely, 2^{112222021120171} is an apocalyptic number.

112222021120171 is a deficient number, since it is larger than the sum of its proper divisors (1).

112222021120171 is an equidigital number, since it uses as much as digits as its factorization.

112222021120171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 112222021120171 its reverse (171021120222211), we get a palindrome (283243141342382).

The spelling of 112222021120171 in words is "one hundred twelve trillion, two hundred twenty-two billion, twenty-one million, one hundred twenty thousand, one hundred seventy-one".