110111220111111 has 16 divisors (see below), whose sum is σ = 161261283459840. Its totient is φ = 66520279425600.

The previous prime is 110111220111103. The next prime is 110111220111133. The reversal of 110111220111111 is 111111022111011.

It is a happy number.

It is not a de Polignac number, because 110111220111111 - 2³ = 110111220111103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110111227111111) 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, 41995124590 + ... + 41995127211.

It is an arithmetic number, because the mean of its divisors is an integer number (10078830216240).

Almost surely, 2^{110111220111111} is an apocalyptic number.

110111220111111 is a deficient number, since it is larger than the sum of its proper divisors (51150063348729).

110111220111111 is a wasteful number, since it uses less digits than its factorization.

110111220111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83990251846.

The product of its (nonzero) digits is 4, while the sum is 15.

Adding to 110111220111111 its reverse (111111022111011), we get a palindrome (221222242222122).

The spelling of 110111220111111 in words is "one hundred ten trillion, one hundred eleven billion, two hundred twenty million, one hundred eleven thousand, one hundred eleven".