111116602 has 4 divisors (see below), whose sum is σ = 166674906. Its totient is φ = 55558300.

The previous prime is 111116591. The next prime is 111116627. The reversal of 111116602 is 206611111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 103449241 + 7667361 = 10171^2 + 2769^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111116602.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27779149 + ... + 27779152.

Almost surely, 2^111116602 is an apocalyptic number.

111116602 is a deficient number, since it is larger than the sum of its proper divisors (55558304).

111116602 is an equidigital number, since it uses as much as digits as its factorization.

111116602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55558303.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 111116602 is about 10541.1859864059. The cubic root of 111116602 is about 480.7577758708.

Adding to 111116602 its reverse (206611111), we get a palindrome (317727713).

The spelling of 111116602 in words is "one hundred eleven million, one hundred sixteen thousand, six hundred two".