11020222122001 has 4 divisors (see below), whose sum is σ = 11044127159604. Its totient is φ = 10996317084400.

The previous prime is 11020222121977. The next prime is 11020222122031. The reversal of 11020222122001 is 10022122202011.

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 3454003665025 + 7566218456976 = 1858495^2 + 2750676^2 .

It is a cyclic number.

It is not a de Polignac number, because 11020222122001 - 2¹⁹ = 11020221597713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020222122031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11952518110 + ... + 11952519031.

It is an arithmetic number, because the mean of its divisors is an integer number (2761031789901).

Almost surely, 2^{11020222122001} is an apocalyptic number.

It is an amenable number.

11020222122001 is a deficient number, since it is larger than the sum of its proper divisors (23905037603).

11020222122001 is an equidigital number, since it uses as much as digits as its factorization.

11020222122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23905037602.

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

Adding to 11020222122001 its reverse (10022122202011), we get a palindrome (21042344324012).

The spelling of 11020222122001 in words is "eleven trillion, twenty billion, two hundred twenty-two million, one hundred twenty-two thousand, one".