111121000121110 has 32 divisors (see below), whose sum is σ = 230811109281792. Its totient is φ = 37728739012320.

The previous prime is 111121000121081. The next prime is 111121000121137. The reversal of 111121000121110 is 11121000121111.

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 15 ways as a sum of consecutive naturals, for example, 7706026086 + ... + 7706040505.

It is an arithmetic number, because the mean of its divisors is an integer number (7212847165056).

Almost surely, 2^{111121000121110} is an apocalyptic number.

111121000121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111121000121110 is an abundant number, since it is smaller than the sum of its proper divisors (119690109160682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111121000121110 is a wasteful number, since it uses less digits than its factorization.

111121000121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15412066708.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 111121000121110 its reverse (11121000121111), we get a palindrome (122242000242221).

Subtracting from 111121000121110 its reverse (11121000121111), we obtain a palindrome (99999999999999).

The spelling of 111121000121110 in words is "one hundred eleven trillion, one hundred twenty-one billion, one hundred twenty-one thousand, one hundred ten".