111011120440 has 128 divisors (see below), whose sum is σ = 279325195200. Its totient is φ = 39366328320.

The previous prime is 111011120383. The next prime is 111011120443. The reversal of 111011120440 is 44021110111.

It is a super-2 number, since 2×111011120440² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111011120443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2839264 + ... + 2878096.

Almost surely, 2^111011120440 is an apocalyptic number.

111011120440 is a gapful number since it is divisible by the number (10) 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 111011120440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139662597600).

111011120440 is an abundant number, since it is smaller than the sum of its proper divisors (168314074760).

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

111011120440 is a wasteful number, since it uses less digits than its factorization.

111011120440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39017 (or 39013 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111011120440 its reverse (44021110111), we get a palindrome (155032230551).

The spelling of 111011120440 in words is "one hundred eleven billion, eleven million, one hundred twenty thousand, four hundred forty".