201111093 has 20 divisors (see below), whose sum is σ = 300831168. Its totient is φ = 133893000.

The previous prime is 201111089. The next prime is 201111107. The reversal of 201111093 is 390111102.

It is not a de Polignac number, because 201111093 - 2² = 201111089 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201111013) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 88218 + ... + 90468.

Almost surely, 2^201111093 is an apocalyptic number.

It is an amenable number.

201111093 is a deficient number, since it is larger than the sum of its proper divisors (99720075).

201111093 is a wasteful number, since it uses less digits than its factorization.

201111093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366 (or 3357 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 201111093 is about 14181.3642855686. The cubic root of 201111093 is about 585.8845002558.

Adding to 201111093 its reverse (390111102), we get a palindrome (591222195).

The spelling of 201111093 in words is "two hundred one million, one hundred eleven thousand, ninety-three".