201111213 has 8 divisors (see below), whose sum is σ = 270608800. Its totient is φ = 132843888.

The previous prime is 201111161. The next prime is 201111217. The reversal of 201111213 is 312111102.

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

It is not a de Polignac number, because 201111213 - 2²⁰ = 200062637 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 (201111217) 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 7 ways as a sum of consecutive naturals, for example, 307183 + ... + 307836.

It is an arithmetic number, because the mean of its divisors is an integer number (33826100).

Almost surely, 2^201111213 is an apocalyptic number.

It is an amenable number.

201111213 is a deficient number, since it is larger than the sum of its proper divisors (69497587).

201111213 is a wasteful number, since it uses less digits than its factorization.

201111213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615131.

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

The square root of 201111213 is about 14181.3685164726. The cubic root of 201111213 is about 585.8846167853.

Adding to 201111213 its reverse (312111102), we get a palindrome (513222315).

The spelling of 201111213 in words is "two hundred one million, one hundred eleven thousand, two hundred thirteen".