111102011008 has 64 divisors (see below), whose sum is σ = 223959294720. Its totient is φ = 54896302080.

The previous prime is 111102010967. The next prime is 111102011017. The reversal of 111102011008 is 800110201111.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 111102010982 and 111102011000.

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, 3896323 + ... + 3924733.

It is an arithmetic number, because the mean of its divisors is an integer number (3499363980).

Almost surely, 2^111102011008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111102011008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111979647360).

111102011008 is an abundant number, since it is smaller than the sum of its proper divisors (112857283712).

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

111102011008 is a wasteful number, since it uses less digits than its factorization.

111102011008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28785 (or 28773 counting only the distinct ones).

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

Adding to 111102011008 its reverse (800110201111), we get a palindrome (911212212119).

The spelling of 111102011008 in words is "one hundred eleven billion, one hundred two million, eleven thousand, eight".