201323221210103 has 4 divisors (see below), whose sum is σ = 201491974959168. Its totient is φ = 201154467461040.

The previous prime is 201323221210061. The next prime is 201323221210127. The reversal of 201323221210103 is 301012122323102.

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 201323221210103 - 2³⁰ = 201322147468279 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 (201323221270103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84376872743 + ... + 84376875128.

It is an arithmetic number, because the mean of its divisors is an integer number (50372993739792).

Almost surely, 2^{201323221210103} is an apocalyptic number.

201323221210103 is a deficient number, since it is larger than the sum of its proper divisors (168753749065).

201323221210103 is a wasteful number, since it uses less digits than its factorization.

201323221210103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168753749064.

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

Adding to 201323221210103 its reverse (301012122323102), we get a palindrome (502335343533205).

The spelling of 201323221210103 in words is "two hundred one trillion, three hundred twenty-three billion, two hundred twenty-one million, two hundred ten thousand, one hundred three".