111102312213 has 12 divisors (see below), whose sum is σ = 164395291788. Its totient is φ = 72261666240.

The previous prime is 111102312203. The next prime is 111102312221. The reversal of 111102312213 is 312213201111.

It can be written as a sum of positive squares in 2 ways, for example, as 13853760804 + 97248551409 = 117702^2 + 311847^2 .

It is not a de Polignac number, because 111102312213 - 2⁴ = 111102312197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111102312203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150544770 + ... + 150545507.

It is an arithmetic number, because the mean of its divisors is an integer number (13699607649).

Almost surely, 2^111102312213 is an apocalyptic number.

It is an amenable number.

111102312213 is a deficient number, since it is larger than the sum of its proper divisors (53292979575).

111102312213 is a wasteful number, since it uses less digits than its factorization.

111102312213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301090324 (or 301090321 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 111102312213 its reverse (312213201111), we get a palindrome (423315513324).

The spelling of 111102312213 in words is "one hundred eleven billion, one hundred two million, three hundred twelve thousand, two hundred thirteen".