120110121 has 20 divisors (see below), whose sum is σ = 179902800. Its totient is φ = 79859736.

The previous prime is 120110093. The next prime is 120110143. The reversal of 120110121 is 121011021.

It is a happy number.

It is not a de Polignac number, because 120110121 - 2⁶ = 120110057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (120110161) 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 19 ways as a sum of consecutive naturals, for example, 32170 + ... + 35708.

It is an arithmetic number, because the mean of its divisors is an integer number (8995140).

Almost surely, 2^120110121 is an apocalyptic number.

It is an amenable number.

120110121 is a deficient number, since it is larger than the sum of its proper divisors (59792679).

120110121 is an equidigital number, since it uses as much as digits as its factorization.

120110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970 (or 3961 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 120110121 is about 10959.4763104813. The cubic root of 120110121 is about 493.3932474814.

Adding to 120110121 its reverse (121011021), we get a palindrome (241121142).

The spelling of 120110121 in words is "one hundred twenty million, one hundred ten thousand, one hundred twenty-one".