9111872201 has 8 divisors (see below), whose sum is σ = 9286211520. Its totient is φ = 8937622512.

The previous prime is 9111872183. The next prime is 9111872213. The reversal of 9111872201 is 1022781119.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9111872201 - 2⁶ = 9111872137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9111872251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204620 + ... + 245138.

It is an arithmetic number, because the mean of its divisors is an integer number (1160776440).

Almost surely, 2^9111872201 is an apocalyptic number.

It is an amenable number.

9111872201 is a deficient number, since it is larger than the sum of its proper divisors (174339319).

9111872201 is a wasteful number, since it uses less digits than its factorization.

9111872201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44815.

The product of its (nonzero) digits is 2016, while the sum is 32.

The square root of 9111872201 is about 95456.1271003596. The cubic root of 9111872201 is about 2088.6670071957.

The spelling of 9111872201 in words is "nine billion, one hundred eleven million, eight hundred seventy-two thousand, two hundred one".