1323102121103 has 4 divisors (see below), whose sum is σ = 1512116709840. Its totient is φ = 1134087532368.

The previous prime is 1323102121091. The next prime is 1323102121123. The reversal of 1323102121103 is 3011212013231.

It is a happy number.

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

It is not a de Polignac number, because 1323102121103 - 2¹⁴ = 1323102104719 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 (1323102121123) 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 3 ways as a sum of consecutive naturals, for example, 94507294358 + ... + 94507294371.

It is an arithmetic number, because the mean of its divisors is an integer number (378029177460).

Almost surely, 2^{1323102121103} is an apocalyptic number.

1323102121103 is a deficient number, since it is larger than the sum of its proper divisors (189014588737).

1323102121103 is an equidigital number, since it uses as much as digits as its factorization.

1323102121103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189014588736.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1323102121103 its reverse (3011212013231), we get a palindrome (4334314134334).

The spelling of 1323102121103 in words is "one trillion, three hundred twenty-three billion, one hundred two million, one hundred twenty-one thousand, one hundred three".