120121303103 has 4 divisors (see below), whose sum is σ = 120125027928. Its totient is φ = 120117578280.

The previous prime is 120121303087. The next prime is 120121303163. The reversal of 120121303103 is 301303121021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120121303103 - 2⁴ = 120121303087 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 (120121303163) 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 3 ways as a sum of consecutive naturals, for example, 1813613 + ... + 1878678.

It is an arithmetic number, because the mean of its divisors is an integer number (30031256982).

Almost surely, 2^120121303103 is an apocalyptic number.

120121303103 is a deficient number, since it is larger than the sum of its proper divisors (3724825).

120121303103 is an equidigital number, since it uses as much as digits as its factorization.

120121303103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3724824.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 120121303103 its reverse (301303121021), we get a palindrome (421424424124).

The spelling of 120121303103 in words is "one hundred twenty billion, one hundred twenty-one million, three hundred three thousand, one hundred three".