11201020112221 has 8 divisors (see below), whose sum is σ = 12026944545984. Its totient is φ = 10393655778240.

The previous prime is 11201020112197. The next prime is 11201020112257. The reversal of 11201020112221 is 12221102010211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11201020112221 - 2²⁹ = 11200483241309 is a prime.

It is a super-3 number, since 3×11201020112221³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11201020112195 and 11201020112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201020113221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4640023695 + ... + 4640026108.

It is an arithmetic number, because the mean of its divisors is an integer number (1503368068248).

Almost surely, 2^{11201020112221} is an apocalyptic number.

It is an amenable number.

11201020112221 is a deficient number, since it is larger than the sum of its proper divisors (825924433763).

11201020112221 is an equidigital number, since it uses as much as digits as its factorization.

11201020112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9280049891.

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

Adding to 11201020112221 its reverse (12221102010211), we get a palindrome (23422122122432).

The spelling of 11201020112221 in words is "eleven trillion, two hundred one billion, twenty million, one hundred twelve thousand, two hundred twenty-one".