201113201 has 4 divisors (see below), whose sum is σ = 201254400. Its totient is φ = 200972004.

The previous prime is 201113191. The next prime is 201113203. The reversal of 201113201 is 102311102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102311102 = 2 ⋅51155551.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201113201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201113203) 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 3 ways as a sum of consecutive naturals, for example, 68441 + ... + 71318.

It is an arithmetic number, because the mean of its divisors is an integer number (50313600).

Almost surely, 2^201113201 is an apocalyptic number.

It is an amenable number.

201113201 is a deficient number, since it is larger than the sum of its proper divisors (141199).

201113201 is a wasteful number, since it uses less digits than its factorization.

201113201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141198.

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

The square root of 201113201 is about 14181.4386082654. The cubic root of 201113201 is about 585.8865472839.

Adding to 201113201 its reverse (102311102), we get a palindrome (303424303).

The spelling of 201113201 in words is "two hundred one million, one hundred thirteen thousand, two hundred one".