201120201 has 6 divisors (see below), whose sum is σ = 290506970. Its totient is φ = 134080128.

The previous prime is 201120163. The next prime is 201120221. The reversal of 201120201 is 102021102.

It can be written as a sum of positive squares in only one way, i.e., 191102976 + 10017225 = 13824^2 + 3165^2 .

It is not a de Polignac number, because 201120201 - 2⁶ = 201120137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 22346689 = 201120201 / (2 + 0 + 1 + 1 + 2 + 0 + 2 + 0 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201120221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11173336 + ... + 11173353.

Almost surely, 2^201120201 is an apocalyptic number.

It is an amenable number.

201120201 is a deficient number, since it is larger than the sum of its proper divisors (89386769).

201120201 is a wasteful number, since it uses less digits than its factorization.

201120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22346695 (or 22346692 counting only the distinct ones).

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

The square root of 201120201 is about 14181.6854075952. The cubic root of 201120201 is about 585.8933447131.

Adding to 201120201 its reverse (102021102), we get a palindrome (303141303).

Subtracting from 201120201 its reverse (102021102), we obtain a palindrome (99099099).

The spelling of 201120201 in words is "two hundred one million, one hundred twenty thousand, two hundred one".