111003203112 has 32 divisors (see below), whose sum is σ = 292113693600. Its totient is φ = 35053642944.

The previous prime is 111003203071. The next prime is 111003203117. The reversal of 111003203112 is 211302300111.

It is a happy number.

It is a super-3 number, since 3×111003203112³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 111003203091 and 111003203100.

It is not an unprimeable number, because it can be changed into a prime (111003203117) 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, 121713583 + ... + 121714494.

It is an arithmetic number, because the mean of its divisors is an integer number (9128552925).

Almost surely, 2^111003203112 is an apocalyptic number.

111003203112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111003203112 is an abundant number, since it is smaller than the sum of its proper divisors (181110490488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111003203112 is a wasteful number, since it uses less digits than its factorization.

111003203112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243428105 (or 243428101 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 111003203112 its reverse (211302300111), we get a palindrome (322305503223).

The spelling of 111003203112 in words is "one hundred eleven billion, three million, two hundred three thousand, one hundred twelve".