111120120120001 has 8 divisors (see below), whose sum is σ = 114705339152384. Its totient is φ = 107534944776960.

The previous prime is 111120120119941. The next prime is 111120120120049. The reversal of 111120120120001 is 100021021021111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111120120120001 - 2⁷ = 111120120119873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111120120120071) 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 7 ways as a sum of consecutive naturals, for example, 5714016 + ... + 15965281.

It is an arithmetic number, because the mean of its divisors is an integer number (14338167394048).

Almost surely, 2^{111120120120001} is an apocalyptic number.

It is an amenable number.

111120120120001 is a deficient number, since it is larger than the sum of its proper divisors (3585219032383).

111120120120001 is a wasteful number, since it uses less digits than its factorization.

111120120120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21844671.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111120120120001 its reverse (100021021021111), we get a palindrome (211141141141112).

The spelling of 111120120120001 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred twenty million, one hundred twenty thousand, one".