120421444103 has 16 divisors (see below), whose sum is σ = 137340665856. Its totient is φ = 104912987520.

The previous prime is 120421444097. The next prime is 120421444151. The reversal of 120421444103 is 301444124021.

It is a de Polignac number, because none of the positive numbers 2^k-120421444103 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 (120421444303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4955351 + ... + 4979592.

It is an arithmetic number, because the mean of its divisors is an integer number (8583791616).

Almost surely, 2^120421444103 is an apocalyptic number.

120421444103 is a deficient number, since it is larger than the sum of its proper divisors (16919221753).

120421444103 is a wasteful number, since it uses less digits than its factorization.

120421444103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9935014.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 120421444103 its reverse (301444124021), we get a palindrome (421865568124).

The spelling of 120421444103 in words is "one hundred twenty billion, four hundred twenty-one million, four hundred forty-four thousand, one hundred three".