11000212200221 has 2 divisors, whose sum is σ = 11000212200222. Its totient is φ = 11000212200220.

The previous prime is 11000212200127. The next prime is 11000212200293. The reversal of 11000212200221 is 12200221200011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5500314825625 + 5499897374596 = 2345275^2 + 2345186^2 .

It is a cyclic number.

It is not a de Polignac number, because 11000212200221 - 2¹⁸ = 11000211938077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11000212200196 and 11000212200205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11000212260221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500106100110 + 5500106100111.

It is an arithmetic number, because the mean of its divisors is an integer number (5500106100111).

Almost surely, 2^{11000212200221} is an apocalyptic number.

It is an amenable number.

11000212200221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000212200221 is an equidigital number, since it uses as much as digits as its factorization.

11000212200221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11000212200221 its reverse (12200221200011), we get a palindrome (23200433400232).

The spelling of 11000212200221 in words is "eleven trillion, two hundred twelve million, two hundred thousand, two hundred twenty-one".