2133202261 has 2 divisors, whose sum is σ = 2133202262. Its totient is φ = 2133202260.

The previous prime is 2133202259. The next prime is 2133202303. The reversal of 2133202261 is 1622023312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1319868900 + 813333361 = 36330^2 + 28519^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133202261 - 2¹ = 2133202259 is a prime.

It is a super-3 number, since 3×2133202261³ (a number of 29 digits) contains 333 as substring.

Together with 2133202259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2133202231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066601130 + 1066601131.

It is an arithmetic number, because the mean of its divisors is an integer number (1066601131).

Almost surely, 2^2133202261 is an apocalyptic number.

It is an amenable number.

2133202261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133202261 is an equidigital number, since it uses as much as digits as its factorization.

2133202261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2133202261 is about 46186.6026137450. The cubic root of 2133202261 is about 1287.2928145704.

Adding to 2133202261 its reverse (1622023312), we get a palindrome (3755225573).

The spelling of 2133202261 in words is "two billion, one hundred thirty-three million, two hundred two thousand, two hundred sixty-one".