2133121003 has 16 divisors (see below), whose sum is σ = 2361552256. Its totient is φ = 1913984640.

The previous prime is 2133120973. The next prime is 2133121021. The reversal of 2133121003 is 3001213312.

It is a cyclic number.

It is not a de Polignac number, because 2133121003 - 2²⁵ = 2099566571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133121033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 893950 + ... + 896332.

It is an arithmetic number, because the mean of its divisors is an integer number (147597016).

Almost surely, 2^2133121003 is an apocalyptic number.

2133121003 is a deficient number, since it is larger than the sum of its proper divisors (228431253).

2133121003 is a wasteful number, since it uses less digits than its factorization.

2133121003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4294.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2133121003 is about 46185.7229346905. The cubic root of 2133121003 is about 1287.2764691649.

Adding to 2133121003 its reverse (3001213312), we get a palindrome (5134334315).

The spelling of 2133121003 in words is "two billion, one hundred thirty-three million, one hundred twenty-one thousand, three".