120011103 has 12 divisors (see below), whose sum is σ = 174173688. Its totient is φ = 79626960.

The previous prime is 120011057. The next prime is 120011119. The reversal of 120011103 is 301110021.

It is not a de Polignac number, because 120011103 - 2⁶ = 120011039 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120011153) 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 11 ways as a sum of consecutive naturals, for example, 29700 + ... + 33497.

It is an arithmetic number, because the mean of its divisors is an integer number (14514474).

Almost surely, 2^120011103 is an apocalyptic number.

120011103 is a deficient number, since it is larger than the sum of its proper divisors (54162585).

120011103 is a wasteful number, since it uses less digits than its factorization.

120011103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63414 (or 63411 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 120011103 is about 10954.9579186777. The cubic root of 120011103 is about 493.2576268151.

Adding to 120011103 its reverse (301110021), we get a palindrome (421121124).

The spelling of 120011103 in words is "one hundred twenty million, eleven thousand, one hundred three".