2233201021 has 2 divisors, whose sum is σ = 2233201022. Its totient is φ = 2233201020.

The previous prime is 2233201007. The next prime is 2233201049. The reversal of 2233201021 is 1201023322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1618855225 + 614345796 = 40235^2 + 24786^2 .

It is a cyclic number.

It is not a de Polignac number, because 2233201021 - 2⁹ = 2233200509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2233200986 and 2233201004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2233201051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116600510 + 1116600511.

It is an arithmetic number, because the mean of its divisors is an integer number (1116600511).

Almost surely, 2^2233201021 is an apocalyptic number.

It is an amenable number.

2233201021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2233201021 is an equidigital number, since it uses as much as digits as its factorization.

2233201021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2233201021 is about 47256.7563529280. The cubic root of 2233201021 is about 1307.1013782145.

Adding to 2233201021 its reverse (1201023322), we get a palindrome (3434224343).

The spelling of 2233201021 in words is "two billion, two hundred thirty-three million, two hundred one thousand, twenty-one".