111102110102 has 4 divisors (see below), whose sum is σ = 166653165156. Its totient is φ = 55551055050.

The previous prime is 111102110099. The next prime is 111102110113. The reversal of 111102110102 is 201011201111.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27775527524 + ... + 27775527527.

It is an arithmetic number, because the mean of its divisors is an integer number (41663291289).

Almost surely, 2^111102110102 is an apocalyptic number.

111102110102 is a deficient number, since it is larger than the sum of its proper divisors (55551055054).

111102110102 is an equidigital number, since it uses as much as digits as its factorization.

111102110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55551055053.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111102110102 its reverse (201011201111), we get a palindrome (312113311213).

It can be divided in two parts, 11110 and 2110102, that added together give a palindrome (2121212).

The spelling of 111102110102 in words is "one hundred eleven billion, one hundred two million, one hundred ten thousand, one hundred two".