120310021103 has 4 divisors (see below), whose sum is σ = 120310950648. Its totient is φ = 120309091560.

The previous prime is 120310021019. The next prime is 120310021123. The reversal of 120310021103 is 301120013021.

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 120310021103 - 2⁸ = 120310020847 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 (120310021123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231653 + ... + 542478.

It is an arithmetic number, because the mean of its divisors is an integer number (30077737662).

Almost surely, 2^120310021103 is an apocalyptic number.

120310021103 is a deficient number, since it is larger than the sum of its proper divisors (929545).

120310021103 is an equidigital number, since it uses as much as digits as its factorization.

120310021103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929544.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 120310021103 its reverse (301120013021), we get a palindrome (421430034124).

The spelling of 120310021103 in words is "one hundred twenty billion, three hundred ten million, twenty-one thousand, one hundred three".