111122103132 has 72 divisors (see below), whose sum is σ = 290011962240. Its totient is φ = 35838552960.

The previous prime is 111122103119. The next prime is 111122103161. The reversal of 111122103132 is 231301221111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 9400858 + ... + 9412670.

It is an arithmetic number, because the mean of its divisors is an integer number (4027943920).

Almost surely, 2^111122103132 is an apocalyptic number.

111122103132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111122103132 is an abundant number, since it is smaller than the sum of its proper divisors (178889859108).

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

111122103132 is a wasteful number, since it uses less digits than its factorization.

111122103132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20283 (or 20278 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 111122103132 its reverse (231301221111), we get a palindrome (342423324243).

The spelling of 111122103132 in words is "one hundred eleven billion, one hundred twenty-two million, one hundred three thousand, one hundred thirty-two".