111122111140 has 24 divisors (see below), whose sum is σ = 233883216000. Its totient is φ = 44348504928.

The previous prime is 111122111117. The next prime is 111122111159. The reversal of 111122111140 is 41111221111.

It is a happy 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, 6262140 + ... + 6279859.

It is an arithmetic number, because the mean of its divisors is an integer number (9745134000).

Almost surely, 2^111122111140 is an apocalyptic number.

111122111140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111122111140 is an abundant number, since it is smaller than the sum of its proper divisors (122761104860).

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

111122111140 is a wasteful number, since it uses less digits than its factorization.

111122111140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12542451 (or 12542449 counting only the distinct ones).

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

Adding to 111122111140 its reverse (41111221111), we get a palindrome (152233332251).

The spelling of 111122111140 in words is "one hundred eleven billion, one hundred twenty-two million, one hundred eleven thousand, one hundred forty".