11012022002221 has 2 divisors, whose sum is σ = 11012022002222. Its totient is φ = 11012022002220.

The previous prime is 11012022002203. The next prime is 11012022002269. The reversal of 11012022002221 is 12220022021011.

It is a happy number.

11012022002221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10899149520996 + 112872481225 = 3301386^2 + 335965^2 .

It is a cyclic number.

It is not a de Polignac number, because 11012022002221 - 2³⁹ = 10462266188333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11012022002195 and 11012022002204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11012022002021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506011001110 + 5506011001111.

It is an arithmetic number, because the mean of its divisors is an integer number (5506011001111).

Almost surely, 2^{11012022002221} is an apocalyptic number.

It is an amenable number.

11012022002221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012022002221 is an equidigital number, since it uses as much as digits as its factorization.

11012022002221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11012022002221 its reverse (12220022021011), we get a palindrome (23232044023232).

The spelling of 11012022002221 in words is "eleven trillion, twelve billion, twenty-two million, two thousand, two hundred twenty-one".