120100110003 has 48 divisors (see below), whose sum is σ = 180691763200. Its totient is φ = 76801608000.

The previous prime is 120100109993. The next prime is 120100110019. The reversal of 120100110003 is 300011001021.

It is not a de Polignac number, because 120100110003 - 2¹⁸ = 120099847859 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120100110073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19753518 + ... + 19759596.

Almost surely, 2^120100110003 is an apocalyptic number.

120100110003 is a deficient number, since it is larger than the sum of its proper divisors (60591653197).

120100110003 is a wasteful number, since it uses less digits than its factorization.

120100110003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6952 (or 6949 counting only the distinct ones).

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

Adding to 120100110003 its reverse (300011001021), we get a palindrome (420111111024).

The spelling of 120100110003 in words is "one hundred twenty billion, one hundred million, one hundred ten thousand, three".