11022000020221 has 4 divisors (see below), whose sum is σ = 11022016671100. Its totient is φ = 11021983369344.

The previous prime is 11022000020197. The next prime is 11022000020279. The reversal of 11022000020221 is 12202000022011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7412626992996 + 3609373027225 = 2722614^2 + 1899835^2 .

It is a cyclic number.

It is not a de Polignac number, because 11022000020221 - 2⁵ = 11022000020189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022000020821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7289556 + ... + 8670733.

It is an arithmetic number, because the mean of its divisors is an integer number (2755504167775).

Almost surely, 2^{11022000020221} is an apocalyptic number.

It is an amenable number.

11022000020221 is a deficient number, since it is larger than the sum of its proper divisors (16650879).

11022000020221 is an equidigital number, since it uses as much as digits as its factorization.

11022000020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16650878.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11022000020221 its reverse (12202000022011), we get a palindrome (23224000042232).

The spelling of 11022000020221 in words is "eleven trillion, twenty-two billion, twenty thousand, two hundred twenty-one".