111601642204 has 96 divisors (see below), whose sum is σ = 218295000000. Its totient is φ = 49594761216.

The previous prime is 111601642169. The next prime is 111601642213. The reversal of 111601642204 is 402246106111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89352172 + ... + 89353420.

It is an arithmetic number, because the mean of its divisors is an integer number (2273906250).

Almost surely, 2^111601642204 is an apocalyptic number.

It is an amenable number.

111601642204 is a deficient number, since it is larger than the sum of its proper divisors (106693357796).

111601642204 is a wasteful number, since it uses less digits than its factorization.

111601642204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847 (or 1845 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 111601642204 its reverse (402246106111), we get a palindrome (513847748315).

The spelling of 111601642204 in words is "one hundred eleven billion, six hundred one million, six hundred forty-two thousand, two hundred four".