201040011 has 12 divisors (see below), whose sum is σ = 307473192. Its totient is φ = 126142656.

The previous prime is 201040003. The next prime is 201040019. The reversal of 201040011 is 110040102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (201040003) and next prime (201040019).

It is not a de Polignac number, because 201040011 - 2³ = 201040003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 201039975 and 201040002.

It is not an unprimeable number, because it can be changed into a prime (201040019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 656841 + ... + 657146.

It is an arithmetic number, because the mean of its divisors is an integer number (25622766).

Almost surely, 2^201040011 is an apocalyptic number.

201040011 is a deficient number, since it is larger than the sum of its proper divisors (106433181).

201040011 is a wasteful number, since it uses less digits than its factorization.

201040011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314010 (or 1314007 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 201040011 is about 14178.8578877144. The cubic root of 201040011 is about 585.8154658581.

Adding to 201040011 its reverse (110040102), we get a palindrome (311080113).

Subtracting from 201040011 its reverse (110040102), we obtain a palindrome (90999909).

The spelling of 201040011 in words is "two hundred one million, forty thousand, eleven".