111001333213 has 4 divisors (see below), whose sum is σ = 117530823420. Its totient is φ = 104471843008.

The previous prime is 111001333187. The next prime is 111001333237. The reversal of 111001333213 is 312333100111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312333100111 = 97381 ⋅3207331.

It can be written as a sum of positive squares in 2 ways, for example, as 97255412164 + 13745921049 = 311858^2 + 117243^2 .

It is a cyclic number.

It is not a de Polignac number, because 111001333213 - 2¹³ = 111001325021 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 (111001333243) 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, 3264745078 + ... + 3264745111.

It is an arithmetic number, because the mean of its divisors is an integer number (29382705855).

Almost surely, 2^111001333213 is an apocalyptic number.

It is an amenable number.

111001333213 is a deficient number, since it is larger than the sum of its proper divisors (6529490207).

111001333213 is an equidigital number, since it uses as much as digits as its factorization.

111001333213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6529490206.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 111001333213 its reverse (312333100111), we get a palindrome (423334433324).

The spelling of 111001333213 in words is "one hundred eleven billion, one million, three hundred thirty-three thousand, two hundred thirteen".