111013221132 has 108 divisors (see below), whose sum is σ = 317048438616. Its totient is φ = 32480259840.

The previous prime is 111013221083. The next prime is 111013221157. The reversal of 111013221132 is 231122310111.

It is a super-2 number, since 2×111013221132² (a number of 23 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 166368 + ... + 499704.

Almost surely, 2^111013221132 is an apocalyptic number.

111013221132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111013221132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158524219308).

111013221132 is an abundant number, since it is smaller than the sum of its proper divisors (206035217484).

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

111013221132 is a wasteful number, since it uses less digits than its factorization.

111013221132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333416 (or 333382 counting only the distinct ones).

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

Adding to 111013221132 its reverse (231122310111), we get a palindrome (342135531243).

The spelling of 111013221132 in words is "one hundred eleven billion, thirteen million, two hundred twenty-one thousand, one hundred thirty-two".