11011002200221 has 2 divisors, whose sum is σ = 11011002200222. Its totient is φ = 11011002200220.

The previous prime is 11011002200203. The next prime is 11011002200293. The reversal of 11011002200221 is 12200220011011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6040220474596 + 4970781725625 = 2457686^2 + 2229525^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011002200221 - 2²³ = 11010993811613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011002200321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505501100110 + 5505501100111.

It is an arithmetic number, because the mean of its divisors is an integer number (5505501100111).

Almost surely, 2^{11011002200221} is an apocalyptic number.

It is an amenable number.

11011002200221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011002200221 is an equidigital number, since it uses as much as digits as its factorization.

11011002200221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11011002200221 its reverse (12200220011011), we get a palindrome (23211222211232).

The spelling of 11011002200221 in words is "eleven trillion, eleven billion, two million, two hundred thousand, two hundred twenty-one".