111230213 has 4 divisors (see below), whose sum is σ = 111257388. Its totient is φ = 111203040.

The previous prime is 111230179. The next prime is 111230257. The reversal of 111230213 is 312032111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51523684 + 59706529 = 7178^2 + 7727^2 .

It is a cyclic number.

It is not a de Polignac number, because 111230213 - 2⁸ = 111229957 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 (111230113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6056 + ... + 16097.

It is an arithmetic number, because the mean of its divisors is an integer number (27814347).

Almost surely, 2^111230213 is an apocalyptic number.

It is an amenable number.

111230213 is a deficient number, since it is larger than the sum of its proper divisors (27175).

111230213 is an equidigital number, since it uses as much as digits as its factorization.

111230213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27174.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 111230213 is about 10546.5735193948. The cubic root of 111230213 is about 480.9215700777.

Adding to 111230213 its reverse (312032111), we get a palindrome (423262324).

The spelling of 111230213 in words is "one hundred eleven million, two hundred thirty thousand, two hundred thirteen".