111120120101121 has 16 divisors (see below), whose sum is σ = 153768379195200. Its totient is φ = 71292612138048.

The previous prime is 111120120101093. The next prime is 111120120101129. The reversal of 111120120101121 is 121101021021111.

It is not a de Polignac number, because 111120120101121 - 2¹³ = 111120120092929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111120120101121.

It is not an unprimeable number, because it can be changed into a prime (111120120101129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2080173226 + ... + 2080226643.

It is an arithmetic number, because the mean of its divisors is an integer number (9610523699700).

Almost surely, 2^{111120120101121} is an apocalyptic number.

It is an amenable number.

111120120101121 is a deficient number, since it is larger than the sum of its proper divisors (42648259094079).

111120120101121 is a wasteful number, since it uses less digits than its factorization.

111120120101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4160400208.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111120120101121 its reverse (121101021021111), we get a palindrome (232221141122232).

The spelling of 111120120101121 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred twenty million, one hundred one thousand, one hundred twenty-one".