111101112013203 has 64 divisors (see below), whose sum is σ = 177606751956480. Its totient is φ = 68234463310464.

The previous prime is 111101112013163. The next prime is 111101112013267. The reversal of 111101112013203 is 302310211101111.

It is not a de Polignac number, because 111101112013203 - 2¹⁰ = 111101112012179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111101112013303) 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 63 ways as a sum of consecutive naturals, for example, 513994276 + ... + 514210382.

It is an arithmetic number, because the mean of its divisors is an integer number (2775105499320).

Almost surely, 2^{111101112013203} is an apocalyptic number.

111101112013203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111101112013203 is a deficient number, since it is larger than the sum of its proper divisors (66505639943277).

111101112013203 is a wasteful number, since it uses less digits than its factorization.

111101112013203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219025 (or 219019 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 111101112013203 its reverse (302310211101111), we get a palindrome (413411323114314).

The spelling of 111101112013203 in words is "one hundred eleven trillion, one hundred one billion, one hundred twelve million, thirteen thousand, two hundred three".