111101100606 has 20 divisors (see below), whose sum is σ = 248948762832. Its totient is φ = 37033700148.

The previous prime is 111101100599. The next prime is 111101100623. The reversal of 111101100606 is 606001101111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 342904470 + ... + 342904793.

Almost surely, 2^111101100606 is an apocalyptic number.

111101100606 is an abundant number, since it is smaller than the sum of its proper divisors (137847662226).

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

111101100606 is an equidigital number, since it uses as much as digits as its factorization.

111101100606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685809277 (or 685809268 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 111101100606 its reverse (606001101111), we get a palindrome (717102201717).

The spelling of 111101100606 in words is "one hundred eleven billion, one hundred one million, one hundred thousand, six hundred six".