111103222213 has 4 divisors (see below), whose sum is σ = 111108122860. Its totient is φ = 111098321568.

The previous prime is 111103222201. The next prime is 111103222291. The reversal of 111103222213 is 312222301111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70576298244 + 40526923969 = 265662^2 + 201313^2 .

It is a cyclic number.

It is not a de Polignac number, because 111103222213 - 2³³ = 102513287621 is a prime.

It is a super-2 number, since 2×111103222213² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111103222913) 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, 2416158 + ... + 2461711.

It is an arithmetic number, because the mean of its divisors is an integer number (27777030715).

Almost surely, 2^111103222213 is an apocalyptic number.

It is an amenable number.

111103222213 is a deficient number, since it is larger than the sum of its proper divisors (4900647).

111103222213 is an equidigital number, since it uses as much as digits as its factorization.

111103222213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4900646.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111103222213 its reverse (312222301111), we get a palindrome (423325523324).

It can be divided in two parts, 11110 and 3222213, that added together give a palindrome (3233323).

The spelling of 111103222213 in words is "one hundred eleven billion, one hundred three million, two hundred twenty-two thousand, two hundred thirteen".