201101885 has 8 divisors (see below), whose sum is σ = 242110176. Its totient is φ = 160356240.

The previous prime is 201101851. The next prime is 201101897. The reversal of 201101885 is 588101102.

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

It is not a de Polignac number, because 201101885 - 2⁶ = 201101821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63971 + ... + 67040.

It is an arithmetic number, because the mean of its divisors is an integer number (30263772).

Almost surely, 2^201101885 is an apocalyptic number.

It is an amenable number.

201101885 is a deficient number, since it is larger than the sum of its proper divisors (41008291).

201101885 is a wasteful number, since it uses less digits than its factorization.

201101885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131323.

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 201101885 is about 14181.0396304361. The cubic root of 201101885 is about 585.8755584205.

Adding to 201101885 its reverse (588101102), we get a palindrome (789202987).

The spelling of 201101885 in words is "two hundred one million, one hundred one thousand, eight hundred eighty-five".