2123220133 has 2 divisors, whose sum is σ = 2123220134. Its totient is φ = 2123220132.

The previous prime is 2123220089. The next prime is 2123220157. The reversal of 2123220133 is 3310223212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1561672324 + 561547809 = 39518^2 + 23697^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123220133 - 2⁹ = 2123219621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2123220133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123220733) 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, 1061610066 + 1061610067.

It is an arithmetic number, because the mean of its divisors is an integer number (1061610067).

Almost surely, 2^2123220133 is an apocalyptic number.

It is an amenable number.

2123220133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123220133 is an equidigital number, since it uses as much as digits as its factorization.

2123220133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2123220133 is about 46078.4128741431. The cubic root of 2123220133 is about 1285.2817508121.

Adding to 2123220133 its reverse (3310223212), we get a palindrome (5433443345).

The spelling of 2123220133 in words is "two billion, one hundred twenty-three million, two hundred twenty thousand, one hundred thirty-three".