11011022020001 has 4 divisors (see below), whose sum is σ = 11015790762900. Its totient is φ = 11006253277104.

The previous prime is 11011022019997. The next prime is 11011022020027. The reversal of 11011022020001 is 10002022011011.

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 3612888577600 + 7398133442401 = 1900760^2 + 2719951^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011022020001 - 2² = 11011022019997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011022020051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2384367986 + ... + 2384372603.

It is an arithmetic number, because the mean of its divisors is an integer number (2753947690725).

Almost surely, 2^{11011022020001} is an apocalyptic number.

It is an amenable number.

11011022020001 is a deficient number, since it is larger than the sum of its proper divisors (4768742899).

11011022020001 is an equidigital number, since it uses as much as digits as its factorization.

11011022020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4768742898.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11011022020001 its reverse (10002022011011), we get a palindrome (21013044031012).

The spelling of 11011022020001 in words is "eleven trillion, eleven billion, twenty-two million, twenty thousand, one".