111120102102 has 32 divisors (see below), whose sum is σ = 224553368160. Its totient is φ = 36655338240.

The previous prime is 111120102073. The next prime is 111120102167. The reversal of 111120102102 is 201201021111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433458 + ... + 640410.

It is an arithmetic number, because the mean of its divisors is an integer number (7017292755).

Almost surely, 2^111120102102 is an apocalyptic number.

111120102102 is an abundant number, since it is smaller than the sum of its proper divisors (113433266058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111120102102 is a wasteful number, since it uses less digits than its factorization.

111120102102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207888.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111120102102 its reverse (201201021111), we get a palindrome (312321123213).

The spelling of 111120102102 in words is "one hundred eleven billion, one hundred twenty million, one hundred two thousand, one hundred two".