2112231133 has 2 divisors, whose sum is σ = 2112231134. Its totient is φ = 2112231132.

The previous prime is 2112231119. The next prime is 2112231157. The reversal of 2112231133 is 3311322112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2101122244 + 11108889 = 45838^2 + 3333^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112231133 - 2²¹ = 2110133981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2112231133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112235133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056115566 + 1056115567.

It is an arithmetic number, because the mean of its divisors is an integer number (1056115567).

Almost surely, 2^2112231133 is an apocalyptic number.

It is an amenable number.

2112231133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112231133 is an equidigital number, since it uses as much as digits as its factorization.

2112231133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 19.

The square root of 2112231133 is about 45959.0157966856. The cubic root of 2112231133 is about 1283.0605337653.

Adding to 2112231133 its reverse (3311322112), we get a palindrome (5423553245).

The spelling of 2112231133 in words is "two billion, one hundred twelve million, two hundred thirty-one thousand, one hundred thirty-three".