111102102102 has 16 divisors (see below), whose sum is σ = 233899162560. Its totient is φ = 35084874312.

The previous prime is 111102102091. The next prime is 111102102109. The reversal of 111102102102 is 201201201111.

111102102102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111102102109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487289808 + ... + 487290035.

It is an arithmetic number, because the mean of its divisors is an integer number (14618697660).

Almost surely, 2^111102102102 is an apocalyptic number.

111102102102 is an abundant number, since it is smaller than the sum of its proper divisors (122797060458).

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

111102102102 is a wasteful number, since it uses less digits than its factorization.

111102102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974579867.

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

Adding to 111102102102 its reverse (201201201111), we get a palindrome (312303303213).

Subtracting 111102102102 from its reverse (201201201111), we obtain a palindrome (90099099009).

The spelling of 111102102102 in words is "one hundred eleven billion, one hundred two million, one hundred two thousand, one hundred two".