11201221201122 has 32 divisors (see below), whose sum is σ = 25119966009600. Its totient is φ = 3699485899344.

The previous prime is 11201221200947. The next prime is 11201221201207. The reversal of 11201221201122 is 22110212210211.

11201221201122 is a `hidden beast` number, since 1 + 120 + 1 + 221 + 201 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11201221201095 and 11201221201104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 951507978 + ... + 951519749.

It is an arithmetic number, because the mean of its divisors is an integer number (784998937800).

Almost surely, 2^{11201221201122} is an apocalyptic number.

11201221201122 is an abundant number, since it is smaller than the sum of its proper divisors (13918744808478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11201221201122 is a wasteful number, since it uses less digits than its factorization.

11201221201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903027847 (or 1903027841 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11201221201122 its reverse (22110212210211), we get a palindrome (33311433411333).

The spelling of 11201221201122 in words is "eleven trillion, two hundred one billion, two hundred twenty-one million, two hundred one thousand, one hundred twenty-two".