2121244033 has 2 divisors, whose sum is σ = 2121244034. Its totient is φ = 2121244032.

The previous prime is 2121244007. The next prime is 2121244039. The reversal of 2121244033 is 3304421212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1891206144 + 230037889 = 43488^2 + 15167^2 .

It is a cyclic number.

It is not a de Polignac number, because 2121244033 - 2⁹ = 2121243521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2121243995 and 2121244013.

It is not a weakly prime, because it can be changed into another prime (2121244039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060622016 + 1060622017.

It is an arithmetic number, because the mean of its divisors is an integer number (1060622017).

Almost surely, 2^2121244033 is an apocalyptic number.

It is an amenable number.

2121244033 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121244033 is an equidigital number, since it uses as much as digits as its factorization.

2121244033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2121244033 is about 46056.9650867271. The cubic root of 2121244033 is about 1284.8828859640.

Adding to 2121244033 its reverse (3304421212), we get a palindrome (5425665245).

The spelling of 2121244033 in words is "two billion, one hundred twenty-one million, two hundred forty-four thousand, thirty-three".