11200011221 has 8 divisors (see below), whose sum is σ = 12807704640. Its totient is φ = 9594240768.

The previous prime is 11200011209. The next prime is 11200011269. The reversal of 11200011221 is 12211000211.

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

It is not a de Polignac number, because 11200011221 - 2⁶ = 11200011157 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 (11200011271) 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, 468236 + ... + 491573.

It is an arithmetic number, because the mean of its divisors is an integer number (1600963080).

Almost surely, 2^11200011221 is an apocalyptic number.

It is an amenable number.

11200011221 is a deficient number, since it is larger than the sum of its proper divisors (1607693419).

11200011221 is an equidigital number, since it uses as much as digits as its factorization.

11200011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961483.

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

Adding to 11200011221 its reverse (12211000211), we get a palindrome (23411011432).

The spelling of 11200011221 in words is "eleven billion, two hundred million, eleven thousand, two hundred twenty-one".