11201010000221 has 4 divisors (see below), whose sum is σ = 11201234559744. Its totient is φ = 11200785440700.

The previous prime is 11201010000209. The next prime is 11201010000233. The reversal of 11201010000221 is 12200001010211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (11201010000209) and next prime (11201010000233).

It is a cyclic number.

It is not a de Polignac number, because 11201010000221 - 2³⁸ = 10926132093277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201010000121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112204925 + ... + 112304706.

It is an arithmetic number, because the mean of its divisors is an integer number (2800308639936).

Almost surely, 2^{11201010000221} is an apocalyptic number.

It is an amenable number.

11201010000221 is a deficient number, since it is larger than the sum of its proper divisors (224559523).

11201010000221 is an equidigital number, since it uses as much as digits as its factorization.

11201010000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224559522.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11201010000221 its reverse (12200001010211), we get a palindrome (23401011010432).

The spelling of 11201010000221 in words is "eleven trillion, two hundred one billion, ten million, two hundred twenty-one", and thus it is an aban number.