2003301202121 has 4 divisors (see below), whose sum is σ = 2057444477892. Its totient is φ = 1949157926352.

The previous prime is 2003301202081. The next prime is 2003301202157. The reversal of 2003301202121 is 1212021033002.

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 1793285226496 + 210015975625 = 1339136^2 + 458275^2 .

It is a cyclic number.

It is not a de Polignac number, because 2003301202121 - 2¹⁴ = 2003301185737 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 2003301202121.

It is not an unprimeable number, because it can be changed into a prime (2003301202321) 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, 27071637830 + ... + 27071637903.

It is an arithmetic number, because the mean of its divisors is an integer number (514361119473).

Almost surely, 2^{2003301202121} is an apocalyptic number.

It is an amenable number.

2003301202121 is a deficient number, since it is larger than the sum of its proper divisors (54143275771).

2003301202121 is an equidigital number, since it uses as much as digits as its factorization.

2003301202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54143275770.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2003301202121 its reverse (1212021033002), we get a palindrome (3215322235123).

The spelling of 2003301202121 in words is "two trillion, three billion, three hundred one million, two hundred two thousand, one hundred twenty-one".