201018182011 has 16 divisors (see below), whose sum is σ = 214800911424. Its totient is φ = 187692529024.

The previous prime is 201018181999. The next prime is 201018182041. The reversal of 201018182011 is 110281810102.

It is a cyclic number.

It is not a de Polignac number, because 201018182011 - 2⁷ = 201018181883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201018182041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178396 + ... + 658681.

It is an arithmetic number, because the mean of its divisors is an integer number (13425056964).

Almost surely, 2^201018182011 is an apocalyptic number.

201018182011 is a deficient number, since it is larger than the sum of its proper divisors (13782729413).

201018182011 is a wasteful number, since it uses less digits than its factorization.

201018182011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837350.

The product of its (nonzero) digits is 256, while the sum is 25.

Adding to 201018182011 its reverse (110281810102), we get a palindrome (311299992113).

The spelling of 201018182011 in words is "two hundred one billion, eighteen million, one hundred eighty-two thousand, eleven".