120503021444103 has 16 divisors (see below), whose sum is σ = 161051268239456. Its totient is φ = 80145281001600.

The previous prime is 120503021444077. The next prime is 120503021444149. The reversal of 120503021444103 is 301444120305021.

120503021444103 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 120503021444103 - 2⁹ = 120503021443591 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 (120503021444803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25289548 + ... + 29674353.

It is an arithmetic number, because the mean of its divisors is an integer number (10065704264966).

Almost surely, 2^{120503021444103} is an apocalyptic number.

120503021444103 is a deficient number, since it is larger than the sum of its proper divisors (40548246795353).

120503021444103 is an equidigital number, since it uses as much as digits as its factorization.

120503021444103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54965634.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 120503021444103 its reverse (301444120305021), we get a palindrome (421947141749124).

The spelling of 120503021444103 in words is "one hundred twenty trillion, five hundred three billion, twenty-one million, four hundred forty-four thousand, one hundred three".