111001012102 has 8 divisors (see below), whose sum is σ = 166529646936. Its totient is φ = 55491129792.

The previous prime is 111001012099. The next prime is 111001012147. The reversal of 111001012102 is 201210100111.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 4673323 + ... + 4697014.

It is an arithmetic number, because the mean of its divisors is an integer number (20816205867).

Almost surely, 2^111001012102 is an apocalyptic number.

111001012102 is a deficient number, since it is larger than the sum of its proper divisors (55528634834).

111001012102 is an equidigital number, since it uses as much as digits as its factorization.

111001012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9376262.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111001012102 its reverse (201210100111), we get a palindrome (312211112213).

The spelling of 111001012102 in words is "one hundred eleven billion, one million, twelve thousand, one hundred two".