111102100102 has 24 divisors (see below), whose sum is σ = 193874991480. Its totient is φ = 47611952640.

The previous prime is 111102100049. The next prime is 111102100117. The reversal of 111102100102 is 201001201111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1915849 + ... + 1972987.

It is an arithmetic number, because the mean of its divisors is an integer number (8078124645).

Almost surely, 2^111102100102 is an apocalyptic number.

111102100102 is a deficient number, since it is larger than the sum of its proper divisors (82772891378).

111102100102 is a wasteful number, since it uses less digits than its factorization.

111102100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76996 (or 76989 counting only the distinct ones).

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

Adding to 111102100102 its reverse (201001201111), we get a palindrome (312103301213).

The spelling of 111102100102 in words is "one hundred eleven billion, one hundred two million, one hundred thousand, one hundred two".