111003222213 has 12 divisors (see below), whose sum is σ = 172671679180. Its totient is φ = 68309675136.

The previous prime is 111003222149. The next prime is 111003222221. The reversal of 111003222213 is 312222300111.

It can be written as a sum of positive squares in 2 ways, for example, as 24304186404 + 86699035809 = 155898^2 + 294447^2 .

It is not a de Polignac number, because 111003222213 - 2⁶ = 111003222149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111003222223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 474372628 + ... + 474372861.

Almost surely, 2^111003222213 is an apocalyptic number.

111003222213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111003222213 is a deficient number, since it is larger than the sum of its proper divisors (61668456967).

111003222213 is a wasteful number, since it uses less digits than its factorization.

111003222213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948745508 (or 948745505 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 111003222213 its reverse (312222300111), we get a palindrome (423225522324).

The spelling of 111003222213 in words is "one hundred eleven billion, three million, two hundred twenty-two thousand, two hundred thirteen".