201311201 has 16 divisors (see below), whose sum is σ = 248674944. Its totient is φ = 158696064.

The previous prime is 201311183. The next prime is 201311219. The reversal of 201311201 is 102113102.

It is an interprime number because it is at equal distance from previous prime (201311183) and next prime (201311219).

It is a cyclic number.

It is not a de Polignac number, because 201311201 - 2¹⁰ = 201310177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201311291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21845 + ... + 29661.

It is an arithmetic number, because the mean of its divisors is an integer number (15542184).

Almost surely, 2^201311201 is an apocalyptic number.

It is an amenable number.

201311201 is a deficient number, since it is larger than the sum of its proper divisors (47363743).

201311201 is a wasteful number, since it uses less digits than its factorization.

201311201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8120.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 201311201 is about 14188.4178469624. The cubic root of 201311201 is about 586.0787565914.

Adding to 201311201 its reverse (102113102), we get a palindrome (303424303).

The spelling of 201311201 in words is "two hundred one million, three hundred eleven thousand, two hundred one".