111121201122110 has 16 divisors (see below), whose sum is σ = 200018451319632. Its totient is φ = 44448416160000.

The previous prime is 111121201122089. The next prime is 111121201122157. The reversal of 111121201122110 is 11221102121111.

111121201122110 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434096 + ... + 14914115.

It is an arithmetic number, because the mean of its divisors is an integer number (12501153207477).

Almost surely, 2^{111121201122110} is an apocalyptic number.

111121201122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111121201122110 is a deficient number, since it is larger than the sum of its proper divisors (88897250197522).

111121201122110 is a wasteful number, since it uses less digits than its factorization.

111121201122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16072219.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 111121201122110 its reverse (11221102121111), we get a palindrome (122342303243221).

Subtracting from 111121201122110 its reverse (11221102121111), we obtain a palindrome (99900099000999).

The spelling of 111121201122110 in words is "one hundred eleven trillion, one hundred twenty-one billion, two hundred one million, one hundred twenty-two thousand, one hundred ten".