2221210310201 has 2 divisors, whose sum is σ = 2221210310202. Its totient is φ = 2221210310200.

The previous prime is 2221210310149. The next prime is 2221210310279. The reversal of 2221210310201 is 1020130121222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1210712904976 + 1010497405225 = 1100324^2 + 1005235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221210310201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2221210310201.

It is not a weakly prime, because it can be changed into another prime (2221210310701) 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, 1110605155100 + 1110605155101.

It is an arithmetic number, because the mean of its divisors is an integer number (1110605155101).

Almost surely, 2^{2221210310201} is an apocalyptic number.

It is an amenable number.

2221210310201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221210310201 is an equidigital number, since it uses as much as digits as its factorization.

2221210310201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2221210310201 its reverse (1020130121222), we get a palindrome (3241340431423).

The spelling of 2221210310201 in words is "two trillion, two hundred twenty-one billion, two hundred ten million, three hundred ten thousand, two hundred one".