201330111 has 8 divisors (see below), whose sum is σ = 268767280. Its totient is φ = 134056512.

The previous prime is 201330097. The next prime is 201330113. The reversal of 201330111 is 111033102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201330111 - 2⁵ = 201330079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201330113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37990 + ... + 42963.

It is an arithmetic number, because the mean of its divisors is an integer number (33595910).

Almost surely, 2^201330111 is an apocalyptic number.

201330111 is a deficient number, since it is larger than the sum of its proper divisors (67437169).

201330111 is an equidigital number, since it uses as much as digits as its factorization.

201330111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81785.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 201330111 is about 14189.0842199206. The cubic root of 201330111 is about 586.0971069568.

Adding to 201330111 its reverse (111033102), we get a palindrome (312363213).

The spelling of 201330111 in words is "two hundred one million, three hundred thirty thousand, one hundred eleven".