111233330213 has 4 divisors (see below), whose sum is σ = 111634894860. Its totient is φ = 110831765568.

The previous prime is 111233330209. The next prime is 111233330231. The reversal of 111233330213 is 312033332111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312033332111 = 73 ⋅4274429207.

It can be written as a sum of positive squares in 2 ways, for example, as 68088639844 + 43144690369 = 260938^2 + 207713^2 .

It is a cyclic number.

It is not a de Polignac number, because 111233330213 - 2² = 111233330209 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 (111233330413) 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, 200781908 + ... + 200782461.

It is an arithmetic number, because the mean of its divisors is an integer number (27908723715).

Almost surely, 2^111233330213 is an apocalyptic number.

It is an amenable number.

111233330213 is a deficient number, since it is larger than the sum of its proper divisors (401564647).

111233330213 is an equidigital number, since it uses as much as digits as its factorization.

111233330213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401564646.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 111233330213 its reverse (312033332111), we get a palindrome (423266662324).

The spelling of 111233330213 in words is "one hundred eleven billion, two hundred thirty-three million, three hundred thirty thousand, two hundred thirteen".