111166123102 has 16 divisors (see below), whose sum is σ = 169654302000. Its totient is φ = 54615565440.

The previous prime is 111166123073. The next prime is 111166123183. The reversal of 111166123102 is 201321661111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37024 + ... + 472972.

It is an arithmetic number, because the mean of its divisors is an integer number (10603393875).

Almost surely, 2^111166123102 is an apocalyptic number.

111166123102 is a deficient number, since it is larger than the sum of its proper divisors (58488178898).

111166123102 is a wasteful number, since it uses less digits than its factorization.

111166123102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438171.

The product of its (nonzero) digits is 432, while the sum is 25.

Adding to 111166123102 its reverse (201321661111), we get a palindrome (312487784213).

The spelling of 111166123102 in words is "one hundred eleven billion, one hundred sixty-six million, one hundred twenty-three thousand, one hundred two".