2121000330303 has 24 divisors (see below), whose sum is σ = 3181054146816. Its totient is φ = 1412256562200.

The previous prime is 2121000330263. The next prime is 2121000330307. The reversal of 2121000330303 is 3030330001212.

2121000330303 is a `hidden beast` number, since 21 + 2 + 10 + 0 + 0 + 330 + 303 = 666.

It is not a de Polignac number, because 2121000330303 - 2¹⁷ = 2121000199231 is a prime.

It is a super-2 number, since 2×2121000330303² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121000330307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5184183 + ... + 5578328.

It is an arithmetic number, because the mean of its divisors is an integer number (132543922784).

Almost surely, 2^{2121000330303} is an apocalyptic number.

2121000330303 is a deficient number, since it is larger than the sum of its proper divisors (1060053816513).

2121000330303 is an equidigital number, since it uses as much as digits as its factorization.

2121000330303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10763337 (or 10763325 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 2121000330303 its reverse (3030330001212), we get a palindrome (5151330331515).

The spelling of 2121000330303 in words is "two trillion, one hundred twenty-one billion, three hundred thirty thousand, three hundred three".