2203330121 has 4 divisors (see below), whose sum is σ = 2203432644. Its totient is φ = 2203227600.

The previous prime is 2203330109. The next prime is 2203330139. The reversal of 2203330121 is 1210333022.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1078465600 + 1124864521 = 32840^2 + 33539^2 .

It is a cyclic number.

It is not a de Polignac number, because 2203330121 - 2¹⁴ = 2203313737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2203330121.

It is not an unprimeable number, because it can be changed into a prime (2203330021) 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, 5270 + ... + 66591.

It is an arithmetic number, because the mean of its divisors is an integer number (550858161).

Almost surely, 2^2203330121 is an apocalyptic number.

It is an amenable number.

2203330121 is a deficient number, since it is larger than the sum of its proper divisors (102523).

2203330121 is an equidigital number, since it uses as much as digits as its factorization.

2203330121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102522.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2203330121 is about 46939.6433838179. The cubic root of 2203330121 is about 1301.2473473659.

Adding to 2203330121 its reverse (1210333022), we get a palindrome (3413663143).

The spelling of 2203330121 in words is "two billion, two hundred three million, three hundred thirty thousand, one hundred twenty-one".