201103111 has 8 divisors (see below), whose sum is σ = 222163200. Its totient is φ = 180506040.

The previous prime is 201103079. The next prime is 201103117. The reversal of 201103111 is 111301102.

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

It is not a de Polignac number, because 201103111 - 2⁵ = 201103079 is a prime.

It is a super-2 number, since 2×201103111² = 80884922507756642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201103117) 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 7 ways as a sum of consecutive naturals, for example, 114841 + ... + 116578.

It is an arithmetic number, because the mean of its divisors is an integer number (27770400).

Almost surely, 2^201103111 is an apocalyptic number.

201103111 is a deficient number, since it is larger than the sum of its proper divisors (21060089).

201103111 is a wasteful number, since it uses less digits than its factorization.

201103111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231509.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 201103111 is about 14181.0828571023. The cubic root of 201103111 is about 585.8767489977.

Adding to 201103111 its reverse (111301102), we get a palindrome (312404213).

The spelling of 201103111 in words is "two hundred one million, one hundred three thousand, one hundred eleven".