2133120203 has 16 divisors (see below), whose sum is σ = 2312971200. Its totient is φ = 1959699456.

The previous prime is 2133120167. The next prime is 2133120217. The reversal of 2133120203 is 3020213312.

It is a cyclic number.

It is not a de Polignac number, because 2133120203 - 2³⁰ = 1059378379 is a prime.

It is a super-2 number, since 2×2133120203² = 9100403600893522418, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133120293) 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, 173351 + ... + 185247.

It is an arithmetic number, because the mean of its divisors is an integer number (144560700).

Almost surely, 2^2133120203 is an apocalyptic number.

2133120203 is a deficient number, since it is larger than the sum of its proper divisors (179850997).

2133120203 is a wasteful number, since it uses less digits than its factorization.

2133120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12166.

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

The square root of 2133120203 is about 46185.7142740047. The cubic root of 2133120203 is about 1287.2763082393.

Adding to 2133120203 its reverse (3020213312), we get a palindrome (5153333515).

The spelling of 2133120203 in words is "two billion, one hundred thirty-three million, one hundred twenty thousand, two hundred three".