201111103 has 8 divisors (see below), whose sum is σ = 210659328. Its totient is φ = 191629944.

The previous prime is 201111089. The next prime is 201111107. The reversal of 201111103 is 301111102.

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

It is a cyclic number.

It is not a de Polignac number, because 201111103 - 2²⁵ = 167556671 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201111103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201111107) 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, 10575 + ... + 22672.

It is an arithmetic number, because the mean of its divisors is an integer number (26332416).

Almost surely, 2^201111103 is an apocalyptic number.

201111103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

201111103 is a deficient number, since it is larger than the sum of its proper divisors (9548225).

201111103 is a wasteful number, since it uses less digits than its factorization.

201111103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33533.

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

The square root of 201111103 is about 14181.3646381440. The cubic root of 201111103 is about 585.8845099666.

Adding to 201111103 its reverse (301111102), we get a palindrome (502222205).

Subtracting 201111103 from its reverse (301111102), we obtain a palindrome (99999999).

The spelling of 201111103 in words is "two hundred one million, one hundred eleven thousand, one hundred three".