111110122102111 has 12 divisors (see below), whose sum is σ = 127926335499624. Its totient is φ = 95692928122800.

The previous prime is 111110122102099. The next prime is 111110122102249. The reversal of 111110122102111 is 111201221011111.

It is not a de Polignac number, because 111110122102111 - 2⁷ = 111110122101983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111110122100111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13990190200 + ... + 13990198141.

It is an arithmetic number, because the mean of its divisors is an integer number (10660527958302).

Almost surely, 2^{111110122102111} is an apocalyptic number.

111110122102111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111110122102111 is a deficient number, since it is larger than the sum of its proper divisors (16816213397513).

111110122102111 is a wasteful number, since it uses less digits than its factorization.

111110122102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27980388390 (or 27980388371 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 111110122102111 its reverse (111201221011111), we get a palindrome (222311343113222).

The spelling of 111110122102111 in words is "one hundred eleven trillion, one hundred ten billion, one hundred twenty-two million, one hundred two thousand, one hundred eleven".