2201203320121 has 4 divisors (see below), whose sum is σ = 2370526652452. Its totient is φ = 2031879987792.

The previous prime is 2201203320119. The next prime is 2201203320133. The reversal of 2201203320121 is 1210233021022.

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 181220490000 + 2019982830121 = 425700^2 + 1421261^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201203320121 - 2¹ = 2201203320119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201203320181) 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, 84661666146 + ... + 84661666171.

It is an arithmetic number, because the mean of its divisors is an integer number (592631663113).

Almost surely, 2^{2201203320121} is an apocalyptic number.

It is an amenable number.

2201203320121 is a deficient number, since it is larger than the sum of its proper divisors (169323332331).

2201203320121 is a wasteful number, since it uses less digits than its factorization.

2201203320121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169323332330.

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

Adding to 2201203320121 its reverse (1210233021022), we get a palindrome (3411436341143).

The spelling of 2201203320121 in words is "two trillion, two hundred one billion, two hundred three million, three hundred twenty thousand, one hundred twenty-one".