111102012110005 has 24 divisors (see below), whose sum is σ = 155278242605880. Its totient is φ = 76091442295680.

The previous prime is 111102012109993. The next prime is 111102012110041. The reversal of 111102012110005 is 500011210201111.

It can be written as a sum of positive squares in 4 ways, for example, as 6321116157489 + 104780895952516 = 2514183^2 + 10236254^2 .

It is not a de Polignac number, because 111102012110005 - 2¹⁵ = 111102012077237 is a prime.

It is a super-2 number, since 2×111102012110005² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275972790 + ... + 276375079.

It is an arithmetic number, because the mean of its divisors is an integer number (6469926775245).

Almost surely, 2^{111102012110005} is an apocalyptic number.

It is an amenable number.

111102012110005 is a deficient number, since it is larger than the sum of its proper divisors (44176230495875).

111102012110005 is an equidigital number, since it uses as much as digits as its factorization.

111102012110005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552348709 (or 552348702 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 16.

Adding to 111102012110005 its reverse (500011210201111), we get a palindrome (611113222311116).

The spelling of 111102012110005 in words is "one hundred eleven trillion, one hundred two billion, twelve million, one hundred ten thousand, five".