112002191 has 8 divisors (see below), whose sum is σ = 130615200. Its totient is φ = 96001584.

The previous prime is 112002181. The next prime is 112002193. The reversal of 112002191 is 191200211.

It is not a de Polignac number, because 112002191 - 2¹⁰ = 112001167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112002193) 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 7 ways as a sum of consecutive naturals, for example, 162926 + ... + 163611.

It is an arithmetic number, because the mean of its divisors is an integer number (16326900).

Almost surely, 2^112002191 is an apocalyptic number.

112002191 is a deficient number, since it is larger than the sum of its proper divisors (18613009).

112002191 is an frugal number, since it uses more digits than its factorization.

112002191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326558 (or 326544 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 112002191 is about 10583.1087587722. The cubic root of 112002191 is about 482.0315960418.

The spelling of 112002191 in words is "one hundred twelve million, two thousand, one hundred ninety-one".