120100111 has 8 divisors (see below), whose sum is σ = 124717824. Its totient is φ = 115562880.

The previous prime is 120100103. The next prime is 120100139. The reversal of 120100111 is 111001021.

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 120100111 - 2³ = 120100103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120100094 and 120100103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17071 + ... + 23056.

It is an arithmetic number, because the mean of its divisors is an integer number (15589728).

Almost surely, 2^120100111 is an apocalyptic number.

120100111 is a deficient number, since it is larger than the sum of its proper divisors (4617713).

120100111 is an equidigital number, since it uses as much as digits as its factorization.

120100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40241.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 120100111 is about 10959.0196185608. The cubic root of 120100111 is about 493.3795406054.

Adding to 120100111 its reverse (111001021), we get a palindrome (231101132).

The spelling of 120100111 in words is "one hundred twenty million, one hundred thousand, one hundred eleven".