111103132120 has 32 divisors (see below), whose sum is σ = 264686875200. Its totient is φ = 41827061248.

The previous prime is 111103132051. The next prime is 111103132169. The reversal of 111103132120 is 21231301111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111103132094 and 111103132103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81692800 + ... + 81694159.

It is an arithmetic number, because the mean of its divisors is an integer number (8271464850).

Almost surely, 2^111103132120 is an apocalyptic number.

111103132120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111103132120 is an abundant number, since it is smaller than the sum of its proper divisors (153583743080).

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

111103132120 is a wasteful number, since it uses less digits than its factorization.

111103132120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163386987 (or 163386983 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111103132120 its reverse (21231301111), we get a palindrome (132334433231).

The spelling of 111103132120 in words is "one hundred eleven billion, one hundred three million, one hundred thirty-two thousand, one hundred twenty".