111203213 has 8 divisors (see below), whose sum is σ = 121992480. Its totient is φ = 100527280.

The previous prime is 111203201. The next prime is 111203237. The reversal of 111203213 is 312302111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111203213 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 (111203243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26270 + ... + 30207.

It is an arithmetic number, because the mean of its divisors is an integer number (15249060).

Almost surely, 2^111203213 is an apocalyptic number.

It is an amenable number.

111203213 is a deficient number, since it is larger than the sum of its proper divisors (10789267).

111203213 is a wasteful number, since it uses less digits than its factorization.

111203213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56667.

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

The square root of 111203213 is about 10545.2934051168. The cubic root of 111203213 is about 480.8826539929.

Adding to 111203213 its reverse (312302111), we get a palindrome (423505324).

The spelling of 111203213 in words is "one hundred eleven million, two hundred three thousand, two hundred thirteen".