201085011 has 10 divisors (see below), whose sum is σ = 300386372. Its totient is φ = 134056620.

The previous prime is 201085009. The next prime is 201085057. The reversal of 201085011 is 110580102.

It is not a de Polignac number, because 201085011 - 2¹ = 201085009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201085111) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1241185 + ... + 1241346.

Almost surely, 2^201085011 is an apocalyptic number.

201085011 is a deficient number, since it is larger than the sum of its proper divisors (99301361).

201085011 is an equidigital number, since it uses as much as digits as its factorization.

201085011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2482543 (or 2482534 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 201085011 is about 14180.4446686273. Note that the first 3 decimals coincide. The cubic root of 201085011 is about 585.8591714687.

The spelling of 201085011 in words is "two hundred one million, eighty-five thousand, eleven".