111110020102102 has 64 divisors (see below), whose sum is σ = 197113245880320. Its totient is φ = 45966645878400.

The previous prime is 111110020102091. The next prime is 111110020102121. The reversal of 111110020102102 is 201201020011111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 587923008 + ... + 588111964.

It is an arithmetic number, because the mean of its divisors is an integer number (3079894466880).

Almost surely, 2^{111110020102102} is an apocalyptic number.

111110020102102 is a deficient number, since it is larger than the sum of its proper divisors (86003225778218).

111110020102102 is a wasteful number, since it uses less digits than its factorization.

111110020102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192397.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111110020102102 its reverse (201201020011111), we get a palindrome (312311040113213).

Subtracting 111110020102102 from its reverse (201201020011111), we obtain a palindrome (90090999909009).

The spelling of 111110020102102 in words is "one hundred eleven trillion, one hundred ten billion, twenty million, one hundred two thousand, one hundred two".