2121323332203 has 6 divisors (see below), whose sum is σ = 3064133702084. Its totient is φ = 1414215554796.

The previous prime is 2121323332169. The next prime is 2121323332211. The reversal of 2121323332203 is 3022333231212.

2121323332203 is a `hidden beast` number, since 2 + 1 + 2 + 1 + 323 + 332 + 2 + 0 + 3 = 666.

It is not a de Polignac number, because 2121323332203 - 2¹² = 2121323328107 is a prime.

It is a super-3 number, since 3×2121323332203³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121323332253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117851296225 + ... + 117851296242.

Almost surely, 2^{2121323332203} is an apocalyptic number.

2121323332203 is a deficient number, since it is larger than the sum of its proper divisors (942810369881).

2121323332203 is a wasteful number, since it uses less digits than its factorization.

2121323332203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235702592473 (or 235702592470 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 2121323332203 its reverse (3022333231212), we get a palindrome (5143656563415).

The spelling of 2121323332203 in words is "two trillion, one hundred twenty-one billion, three hundred twenty-three million, three hundred thirty-two thousand, two hundred three".