111102213 has 8 divisors (see below), whose sum is σ = 154577088. Its totient is φ = 70847744.

The previous prime is 111102209. The next prime is 111102221. The reversal of 111102213 is 312201111.

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 111102213 - 2² = 111102209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122213) 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, 805020 + ... + 805157.

It is an arithmetic number, because the mean of its divisors is an integer number (19322136).

Almost surely, 2^111102213 is an apocalyptic number.

It is an amenable number.

111102213 is a deficient number, since it is larger than the sum of its proper divisors (43474875).

111102213 is a wasteful number, since it uses less digits than its factorization.

111102213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610203.

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

The square root of 111102213 is about 10540.5034509742. The cubic root of 111102213 is about 480.7370231296.

Adding to 111102213 its reverse (312201111), we get a palindrome (423303324).

The spelling of 111102213 in words is "one hundred eleven million, one hundred two thousand, two hundred thirteen".