201321123300103 has 4 divisors (see below), whose sum is σ = 201336270489928. Its totient is φ = 201305976110280.

The previous prime is 201321123300097. The next prime is 201321123300107. The reversal of 201321123300103 is 301003321123102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201321123300103 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 (201321123300107) 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, 7573574976 + ... + 7573601557.

It is an arithmetic number, because the mean of its divisors is an integer number (50334067622482).

Almost surely, 2^{201321123300103} is an apocalyptic number.

201321123300103 is a deficient number, since it is larger than the sum of its proper divisors (15147189825).

201321123300103 is a wasteful number, since it uses less digits than its factorization.

201321123300103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15147189824.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 201321123300103 its reverse (301003321123102), we get a palindrome (502324444423205).

The spelling of 201321123300103 in words is "two hundred one trillion, three hundred twenty-one billion, one hundred twenty-three million, three hundred thousand, one hundred three".