120020112103 has 4 divisors (see below), whose sum is σ = 120021100920. Its totient is φ = 120019123288.

The previous prime is 120020112083. The next prime is 120020112127. The reversal of 120020112103 is 301211020021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 120020112103 - 2⁹ = 120020111591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020112143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281893 + ... + 565246.

It is an arithmetic number, because the mean of its divisors is an integer number (30005275230).

Almost surely, 2^120020112103 is an apocalyptic number.

120020112103 is a deficient number, since it is larger than the sum of its proper divisors (988817).

120020112103 is an equidigital number, since it uses as much as digits as its factorization.

120020112103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988816.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 120020112103 its reverse (301211020021), we get a palindrome (421231132124).

The spelling of 120020112103 in words is "one hundred twenty billion, twenty million, one hundred twelve thousand, one hundred three".