111102202020040 has 192 divisors, whose sum is σ = 317298117024000. Its totient is φ = 34621684070400.

The previous prime is 111102202019959. The next prime is 111102202020041. The reversal of 111102202020040 is 40020202201111.

It is a junction number, because it is equal to n+sod(n) for n = 111102202019996 and 111102202020023.

It is not an unprimeable number, because it can be changed into a prime (111102202020041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98420736 + ... + 99543184.

It is an arithmetic number, because the mean of its divisors is an integer number (1652594359500).

Almost surely, 2^{111102202020040} is an apocalyptic number.

111102202020040 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 111102202020040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158649058512000).

111102202020040 is an abundant number, since it is smaller than the sum of its proper divisors (206195915003960).

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

111102202020040 is a wasteful number, since it uses less digits than its factorization.

111102202020040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127076 (or 1127065 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 111102202020040 its reverse (40020202201111), we get a palindrome (151122404221151).

The spelling of 111102202020040 in words is "one hundred eleven trillion, one hundred two billion, two hundred two million, twenty thousand, forty".