2201021201 has 2 divisors, whose sum is σ = 2201021202. Its totient is φ = 2201021200.

The previous prime is 2201021197. The next prime is 2201021209. The reversal of 2201021201 is 1021201022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1257057025 + 943964176 = 35455^2 + 30724^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201021201 - 2² = 2201021197 is a prime.

It is not a weakly prime, because it can be changed into another prime (2201021209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100510600 + 1100510601.

It is an arithmetic number, because the mean of its divisors is an integer number (1100510601).

Almost surely, 2^2201021201 is an apocalyptic number.

It is an amenable number.

2201021201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201021201 is an equidigital number, since it uses as much as digits as its factorization.

2201021201 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 11.

The square root of 2201021201 is about 46915.0423744880. The cubic root of 2201021201 is about 1300.7926528871.

Adding to 2201021201 its reverse (1021201022), we get a palindrome (3222222223).

The spelling of 2201021201 in words is "two billion, two hundred one million, twenty-one thousand, two hundred one".