201111159 has 4 divisors (see below), whose sum is σ = 268148216. Its totient is φ = 134074104.

The previous prime is 201111107. The next prime is 201111161. The reversal of 201111159 is 951111102.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 201111159 - 2⁹ = 201110647 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 (201111359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33518524 + ... + 33518529.

It is an arithmetic number, because the mean of its divisors is an integer number (67037054).

Almost surely, 2^201111159 is an apocalyptic number.

201111159 is a deficient number, since it is larger than the sum of its proper divisors (67037057).

201111159 is an equidigital number, since it uses as much as digits as its factorization.

201111159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67037056.

The product of its (nonzero) digits is 90, while the sum is 21.

The square root of 201111159 is about 14181.3666125659. The cubic root of 201111159 is about 585.8845643470.

The spelling of 201111159 in words is "two hundred one million, one hundred eleven thousand, one hundred fifty-nine".