111099443052 has 192 divisors, whose sum is σ = 312520965120. Its totient is φ = 30346223616.

The previous prime is 111099443047. The next prime is 111099443089. The reversal of 111099443052 is 250344990111.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 111099443052.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11735673 + ... + 11745135.

It is an arithmetic number, because the mean of its divisors is an integer number (1627713360).

Almost surely, 2^111099443052 is an apocalyptic number.

111099443052 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 111099443052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156260482560).

111099443052 is an abundant number, since it is smaller than the sum of its proper divisors (201421522068).

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

111099443052 is a wasteful number, since it uses less digits than its factorization.

111099443052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9752 (or 9750 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 111099443052 in words is "one hundred eleven billion, ninety-nine million, four hundred forty-three thousand, fifty-two".