201120011 has 4 divisors (see below), whose sum is σ = 201257112. Its totient is φ = 200982912.

The previous prime is 201119969. The next prime is 201120041. The reversal of 201120011 is 110021102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201120011 - 2¹⁰ = 201118987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201120041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66326 + ... + 69291.

It is an arithmetic number, because the mean of its divisors is an integer number (50314278).

Almost surely, 2^201120011 is an apocalyptic number.

201120011 is a deficient number, since it is larger than the sum of its proper divisors (137101).

201120011 is a wasteful number, since it uses less digits than its factorization.

201120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137100.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 201120011 is about 14181.6787088130. The cubic root of 201120011 is about 585.8931602136.

Adding to 201120011 its reverse (110021102), we get a palindrome (311141113).

It can be divided in two parts, 2011 and 20011, that added together give a palindrome (22022).

The spelling of 201120011 in words is "two hundred one million, one hundred twenty thousand, eleven".