111110121132 has 24 divisors (see below), whose sum is σ = 259280490672. Its totient is φ = 37033344000.

The previous prime is 111110121019. The next prime is 111110121149. The reversal of 111110121132 is 231121011111.

It is a super-2 number, since 2×111110121132² (a number of 23 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 280869 + ... + 548732.

It is an arithmetic number, because the mean of its divisors is an integer number (10803353778).

Almost surely, 2^111110121132 is an apocalyptic number.

111110121132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111110121132 is an abundant number, since it is smaller than the sum of its proper divisors (148170369540).

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

111110121132 is a wasteful number, since it uses less digits than its factorization.

111110121132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840769 (or 840767 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 111110121132 its reverse (231121011111), we get a palindrome (342231132243).

The spelling of 111110121132 in words is "one hundred eleven billion, one hundred ten million, one hundred twenty-one thousand, one hundred thirty-two".