201121313203 has 16 divisors (see below), whose sum is σ = 209589055200. Its totient is φ = 192825445120.

The previous prime is 201121313147. The next prime is 201121313209. The reversal of 201121313203 is 302313121102.

It is a cyclic number.

It is not a de Polignac number, because 201121313203 - 2¹⁷ = 201121182131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201121313209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8185725 + ... + 8210257.

It is an arithmetic number, because the mean of its divisors is an integer number (13099315950).

Almost surely, 2^201121313203 is an apocalyptic number.

201121313203 is a deficient number, since it is larger than the sum of its proper divisors (8467741997).

201121313203 is a wasteful number, since it uses less digits than its factorization.

201121313203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28022.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 201121313203 its reverse (302313121102), we get a palindrome (503434434305).

The spelling of 201121313203 in words is "two hundred one billion, one hundred twenty-one million, three hundred thirteen thousand, two hundred three".