11020221331201 has 4 divisors (see below), whose sum is σ = 11117745413892. Its totient is φ = 10922697248512.

The previous prime is 11020221331177. The next prime is 11020221331253. The reversal of 11020221331201 is 10213312202011.

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 5306204390400 + 5714016940801 = 2303520^2 + 2390401^2 .

It is a cyclic number.

It is not a de Polignac number, because 11020221331201 - 2⁵ = 11020221331169 is a prime.

It is a super-2 number, since 2×11020221331201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020221331261) 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, 48762041176 + ... + 48762041401.

It is an arithmetic number, because the mean of its divisors is an integer number (2779436353473).

Almost surely, 2^{11020221331201} is an apocalyptic number.

It is an amenable number.

11020221331201 is a deficient number, since it is larger than the sum of its proper divisors (97524082691).

11020221331201 is an equidigital number, since it uses as much as digits as its factorization.

11020221331201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97524082690.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11020221331201 its reverse (10213312202011), we get a palindrome (21233533533212).

The spelling of 11020221331201 in words is "eleven trillion, twenty billion, two hundred twenty-one million, three hundred thirty-one thousand, two hundred one".