11201130220221 has 32 divisors (see below), whose sum is σ = 16872733767680. Its totient is φ = 7342517630448.

The previous prime is 11201130220193. The next prime is 11201130220229. The reversal of 11201130220221 is 12202203110211.

11201130220221 is a `hidden beast` number, since 1 + 120 + 1 + 1 + 302 + 20 + 221 = 666.

It is not a de Polignac number, because 11201130220221 - 2³⁰ = 11200056478397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11201130220194 and 11201130220203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201130220229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4670341 + ... + 6649386.

It is an arithmetic number, because the mean of its divisors is an integer number (527272930240).

Almost surely, 2^{11201130220221} is an apocalyptic number.

It is an amenable number.

11201130220221 is a deficient number, since it is larger than the sum of its proper divisors (5671603547459).

11201130220221 is a wasteful number, since it uses less digits than its factorization.

11201130220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11320350 (or 11320344 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11201130220221 its reverse (12202203110211), we get a palindrome (23403333330432).

The spelling of 11201130220221 in words is "eleven trillion, two hundred one billion, one hundred thirty million, two hundred twenty thousand, two hundred twenty-one".