2203123120201 has 4 divisors (see below), whose sum is σ = 2207451456900. Its totient is φ = 2198794783504.

The previous prime is 2203123120193. The next prime is 2203123120217. The reversal of 2203123120201 is 1020213213022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 721488854025 + 1481634266176 = 849405^2 + 1217224^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203123120201 - 2³ = 2203123120193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2203123120801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2164167586 + ... + 2164168603.

It is an arithmetic number, because the mean of its divisors is an integer number (551862864225).

Almost surely, 2^{2203123120201} is an apocalyptic number.

It is an amenable number.

2203123120201 is a deficient number, since it is larger than the sum of its proper divisors (4328336699).

2203123120201 is an equidigital number, since it uses as much as digits as its factorization.

2203123120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328336698.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2203123120201 its reverse (1020213213022), we get a palindrome (3223336333223).

The spelling of 2203123120201 in words is "two trillion, two hundred three billion, one hundred twenty-three million, one hundred twenty thousand, two hundred one".