11221122202201 has 2 divisors, whose sum is σ = 11221122202202. Its totient is φ = 11221122202200.

The previous prime is 11221122202189. The next prime is 11221122202223. The reversal of 11221122202201 is 10220222112211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9210466265625 + 2010655936576 = 3034875^2 + 1417976^2 .

It is a cyclic number.

It is not a de Polignac number, because 11221122202201 - 2¹⁷ = 11221122071129 is a prime.

It is not a weakly prime, because it can be changed into another prime (11221122202291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610561101100 + 5610561101101.

It is an arithmetic number, because the mean of its divisors is an integer number (5610561101101).

Almost surely, 2^{11221122202201} is an apocalyptic number.

It is an amenable number.

11221122202201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221122202201 is an equidigital number, since it uses as much as digits as its factorization.

11221122202201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11221122202201 its reverse (10220222112211), we get a palindrome (21441344314412).

The spelling of 11221122202201 in words is "eleven trillion, two hundred twenty-one billion, one hundred twenty-two million, two hundred two thousand, two hundred one".