111435213 has 4 divisors (see below), whose sum is σ = 148580288. Its totient is φ = 74290140.

The previous prime is 111435211. The next prime is 111435229. The reversal of 111435213 is 312534111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312534111 = 3 ⋅104178037.

It is not a de Polignac number, because 111435213 - 2¹ = 111435211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111435213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111435211) 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, 18572533 + ... + 18572538.

It is an arithmetic number, because the mean of its divisors is an integer number (37145072).

Almost surely, 2^111435213 is an apocalyptic number.

It is an amenable number.

111435213 is a deficient number, since it is larger than the sum of its proper divisors (37145075).

111435213 is an equidigital number, since it uses as much as digits as its factorization.

111435213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37145074.

The product of its digits is 360, while the sum is 21.

The square root of 111435213 is about 10556.2878418505. The cubic root of 111435213 is about 481.2168388237.

Adding to 111435213 its reverse (312534111), we get a palindrome (423969324).

The spelling of 111435213 in words is "one hundred eleven million, four hundred thirty-five thousand, two hundred thirteen".