111201066 has 32 divisors (see below), whose sum is σ = 249525120. Its totient is φ = 36705312.

The previous prime is 111201043. The next prime is 111201071. The reversal of 111201066 is 660102111.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4435 + ... + 15558.

It is an arithmetic number, because the mean of its divisors is an integer number (7797660).

Almost surely, 2^111201066 is an apocalyptic number.

111201066 is an abundant number, since it is smaller than the sum of its proper divisors (138324054).

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

111201066 is a wasteful number, since it uses less digits than its factorization.

111201066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20107 (or 20101 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 111201066 is about 10545.1916056561. The cubic root of 111201066 is about 480.8795591732.

Adding to 111201066 its reverse (660102111), we get a palindrome (771303177).

The spelling of 111201066 in words is "one hundred eleven million, two hundred one thousand, sixty-six".