120320100103 has 12 divisors (see below), whose sum is σ = 139975366032. Its totient is φ = 103123285440.

The previous prime is 120320100097. The next prime is 120320100137. The reversal of 120320100103 is 301001023021.

It is not a de Polignac number, because 120320100103 - 2⁵ = 120320100071 is a prime.

It is a super-2 number, since 2×120320100103² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120320100193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 568158 + ... + 750628.

It is an arithmetic number, because the mean of its divisors is an integer number (11664613836).

Almost surely, 2^120320100103 is an apocalyptic number.

120320100103 is a deficient number, since it is larger than the sum of its proper divisors (19655265929).

120320100103 is a wasteful number, since it uses less digits than its factorization.

120320100103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195942 (or 195935 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 120320100103 its reverse (301001023021), we get a palindrome (421321123124).

The spelling of 120320100103 in words is "one hundred twenty billion, three hundred twenty million, one hundred thousand, one hundred three".