11200201121221 has 8 divisors (see below), whose sum is σ = 13041743624064. Its totient is φ = 9419037061200.

The previous prime is 11200201121183. The next prime is 11200201121261. The reversal of 11200201121221 is 12212110200211.

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

It is not a de Polignac number, because 11200201121221 - 2¹⁷ = 11200200990149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11200201121195 and 11200201121204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200201121261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15094610305 + ... + 15094611046.

It is an arithmetic number, because the mean of its divisors is an integer number (1630217953008).

Almost surely, 2^{11200201121221} is an apocalyptic number.

It is an amenable number.

11200201121221 is a deficient number, since it is larger than the sum of its proper divisors (1841542502843).

11200201121221 is an equidigital number, since it uses as much as digits as its factorization.

11200201121221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30189221411.

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

Adding to 11200201121221 its reverse (12212110200211), we get a palindrome (23412311321432).

The spelling of 11200201121221 in words is "eleven trillion, two hundred billion, two hundred one million, one hundred twenty-one thousand, two hundred twenty-one".