111102101122111 has 16 divisors (see below), whose sum is σ = 121896954086400. Its totient is φ = 100423738530720.

The previous prime is 111102101122109. The next prime is 111102101122157. The reversal of 111102101122111 is 111221101201111.

It is not a de Polignac number, because 111102101122111 - 2¹ = 111102101122109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111102101125111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14718760 + ... + 20948653.

It is an arithmetic number, because the mean of its divisors is an integer number (7618559630400).

Almost surely, 2^{111102101122111} is an apocalyptic number.

111102101122111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111102101122111 is a deficient number, since it is larger than the sum of its proper divisors (10794852964289).

111102101122111 is a wasteful number, since it uses less digits than its factorization.

111102101122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35669046.

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

Adding to 111102101122111 its reverse (111221101201111), we get a palindrome (222323202323222).

The spelling of 111102101122111 in words is "one hundred eleven trillion, one hundred two billion, one hundred one million, one hundred twenty-two thousand, one hundred eleven".