111102111112 has 16 divisors (see below), whose sum is σ = 208320088860. Its totient is φ = 55550087424.

The previous prime is 111102111101. The next prime is 111102111137. The reversal of 111102111112 is 211111201111.

It can be written as a sum of positive squares in 2 ways, for example, as 106802161636 + 4299949476 = 326806^2 + 65574^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111102111092 and 111102111101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673708 + ... + 822244.

Almost surely, 2^111102111112 is an apocalyptic number.

It is an amenable number.

111102111112 is a deficient number, since it is larger than the sum of its proper divisors (97217977748).

111102111112 is a wasteful number, since it uses less digits than its factorization.

111102111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242040 (or 242036 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111102111112 its reverse (211111201111), we get a palindrome (322213312223).

The spelling of 111102111112 in words is "one hundred eleven billion, one hundred two million, one hundred eleven thousand, one hundred twelve".