1321013224103 has 4 divisors (see below), whose sum is σ = 1331097294648. Its totient is φ = 1310929153560.

The previous prime is 1321013224061. The next prime is 1321013224123. The reversal of 1321013224103 is 3014223101231.

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 1321013224103 - 2¹⁸ = 1321012961959 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 (1321013224123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5042035076 + ... + 5042035337.

It is an arithmetic number, because the mean of its divisors is an integer number (332774323662).

Almost surely, 2^{1321013224103} is an apocalyptic number.

1321013224103 is a deficient number, since it is larger than the sum of its proper divisors (10084070545).

1321013224103 is a wasteful number, since it uses less digits than its factorization.

1321013224103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10084070544.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1321013224103 its reverse (3014223101231), we get a palindrome (4335236325334).

The spelling of 1321013224103 in words is "one trillion, three hundred twenty-one billion, thirteen million, two hundred twenty-four thousand, one hundred three".