2200201021 has 2 divisors, whose sum is σ = 2200201022. Its totient is φ = 2200201020.

The previous prime is 2200201019. The next prime is 2200201027. The reversal of 2200201021 is 1201020022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1750167225 + 450033796 = 41835^2 + 21214^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200201021 - 2¹ = 2200201019 is a prime.

Together with 2200201019, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2200200989 and 2200201007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2200201027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100100510 + 1100100511.

It is an arithmetic number, because the mean of its divisors is an integer number (1100100511).

Almost surely, 2^2200201021 is an apocalyptic number.

It is an amenable number.

2200201021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200201021 is an equidigital number, since it uses as much as digits as its factorization.

2200201021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2200201021 is about 46906.3004403460. The cubic root of 2200201021 is about 1300.6310587045.

Adding to 2200201021 its reverse (1201020022), we get a palindrome (3401221043).

The spelling of 2200201021 in words is "two billion, two hundred million, two hundred one thousand, twenty-one".