111320230213 has 4 divisors (see below), whose sum is σ = 111320907520. Its totient is φ = 111319552908.

The previous prime is 111320230201. The next prime is 111320230223. The reversal of 111320230213 is 312032023111.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 312032023111 = 43 ⋅7256558677.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111320230213 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 (111320230223) 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, 82306 + ... + 478972.

It is an arithmetic number, because the mean of its divisors is an integer number (27830226880).

Almost surely, 2^111320230213 is an apocalyptic number.

It is an amenable number.

111320230213 is a deficient number, since it is larger than the sum of its proper divisors (677307).

111320230213 is an equidigital number, since it uses as much as digits as its factorization.

111320230213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677306.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 111320230213 its reverse (312032023111), we get a palindrome (423352253324).

The spelling of 111320230213 in words is "one hundred eleven billion, three hundred twenty million, two hundred thirty thousand, two hundred thirteen".