111001312103 has 8 divisors (see below), whose sum is σ = 121523277456. Its totient is φ = 100551169600.

The previous prime is 111001312027. The next prime is 111001312117. The reversal of 111001312103 is 301213100111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111001312103 - 2²⁴ = 110984534887 is a prime.

It is a super-2 number, since 2×111001312103² (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 (111001312183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17952476 + ... + 17958657.

It is an arithmetic number, because the mean of its divisors is an integer number (15190409682).

Almost surely, 2^111001312103 is an apocalyptic number.

111001312103 is a deficient number, since it is larger than the sum of its proper divisors (10521965353).

111001312103 is a wasteful number, since it uses less digits than its factorization.

111001312103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35911425.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 111001312103 its reverse (301213100111), we get a palindrome (412214412214).

The spelling of 111001312103 in words is "one hundred eleven billion, one million, three hundred twelve thousand, one hundred three".