1112102171 has 4 divisors (see below), whose sum is σ = 1112493744. Its totient is φ = 1111710600.

The previous prime is 1112102137. The next prime is 1112102183. The reversal of 1112102171 is 1712012111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1712012111 = 15349 ⋅111539.

It is a cyclic number.

It is not a de Polignac number, because 1112102171 - 2²⁶ = 1044993307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112101171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191495 + ... + 197216.

It is an arithmetic number, because the mean of its divisors is an integer number (278123436).

Almost surely, 2^1112102171 is an apocalyptic number.

1112102171 is a deficient number, since it is larger than the sum of its proper divisors (391573).

1112102171 is an equidigital number, since it uses as much as digits as its factorization.

1112102171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391572.

The product of its (nonzero) digits is 28, while the sum is 17.

The square root of 1112102171 is about 33348.1959182202. The cubic root of 1112102171 is about 1036.0520224892.

Adding to 1112102171 its reverse (1712012111), we get a palindrome (2824114282).

The spelling of 1112102171 in words is "one billion, one hundred twelve million, one hundred two thousand, one hundred seventy-one".