110111111122111 has 16 divisors (see below), whose sum is σ = 123121136089728. Its totient is φ = 97630658532000.

The previous prime is 110111111122109. The next prime is 110111111122127. The reversal of 110111111122111 is 111221111111011.

It is not a de Polignac number, because 110111111122111 - 2¹ = 110111111122109 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 (110111111128111) 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, 739551765 + ... + 739700638.

It is an arithmetic number, because the mean of its divisors is an integer number (7695071005608).

Almost surely, 2^{110111111122111} is an apocalyptic number.

110111111122111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

110111111122111 is a deficient number, since it is larger than the sum of its proper divisors (13010024967617).

110111111122111 is a wasteful number, since it uses less digits than its factorization.

110111111122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479252582.

The product of its (nonzero) digits is 4, while the sum is 16.

Adding to 110111111122111 its reverse (111221111111011), we get a palindrome (221332222233122).

The spelling of 110111111122111 in words is "one hundred ten trillion, one hundred eleven billion, one hundred eleven million, one hundred twenty-two thousand, one hundred eleven".