11201122221001 has 16 divisors (see below), whose sum is σ = 11547236081664. Its totient is φ = 10859515350544.

The previous prime is 11201122220969. The next prime is 11201122221007. The reversal of 11201122221001 is 10012222110211.

It is a cyclic number.

It is not a de Polignac number, because 11201122221001 - 2⁵ = 11201122220969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201122221007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71851926 + ... + 72007648.

It is an arithmetic number, because the mean of its divisors is an integer number (721702255104).

Almost surely, 2^{11201122221001} is an apocalyptic number.

It is an amenable number.

11201122221001 is a deficient number, since it is larger than the sum of its proper divisors (346113860663).

11201122221001 is a wasteful number, since it uses less digits than its factorization.

11201122221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170180.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11201122221001 its reverse (10012222110211), we get a palindrome (21213344331212).

The spelling of 11201122221001 in words is "eleven trillion, two hundred one billion, one hundred twenty-two million, two hundred twenty-one thousand, one".