11201221201104 has 120 divisors (see below), whose sum is σ = 34202614178304. Its totient is φ = 3393818496000.

The previous prime is 11201221200947. The next prime is 11201221201207. The reversal of 11201221201104 is 40110212210211.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10518289 + ... + 11534159.

Almost surely, 2^{11201221201104} is an apocalyptic number.

It is an amenable number.

11201221201104 is an abundant number, since it is smaller than the sum of its proper divisors (23001392977200).

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

11201221201104 is a wasteful number, since it uses less digits than its factorization.

11201221201104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022857 (or 1022848 counting only the distinct ones).

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

Adding to 11201221201104 its reverse (40110212210211), we get a palindrome (51311433411315).

The spelling of 11201221201104 in words is "eleven trillion, two hundred one billion, two hundred twenty-one million, two hundred one thousand, one hundred four".