2121022333 has 2 divisors, whose sum is σ = 2121022334. Its totient is φ = 2121022332.

The previous prime is 2121022331. The next prime is 2121022363. The reversal of 2121022333 is 3332201212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2046838564 + 74183769 = 45242^2 + 8613^2 .

It is a cyclic number.

It is not a de Polignac number, because 2121022333 - 2¹ = 2121022331 is a prime.

Together with 2121022331, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2121022333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121022331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060511166 + 1060511167.

It is an arithmetic number, because the mean of its divisors is an integer number (1060511167).

Almost surely, 2^2121022333 is an apocalyptic number.

It is an amenable number.

2121022333 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121022333 is an equidigital number, since it uses as much as digits as its factorization.

2121022333 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 2121022333 is about 46054.5582217439. The cubic root of 2121022333 is about 1284.8381215937.

Adding to 2121022333 its reverse (3332201212), we get a palindrome (5453223545).

The spelling of 2121022333 in words is "two billion, one hundred twenty-one million, twenty-two thousand, three hundred thirty-three".