11000221012221 has 8 divisors (see below), whose sum is σ = 16762241542464. Its totient is φ = 6285840578400.

The previous prime is 11000221012219. The next prime is 11000221012241. The reversal of 11000221012221 is 12221012200011.

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

It is not a de Polignac number, because 11000221012221 - 2¹ = 11000221012219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11000221012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000221012241) 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, 261910024080 + ... + 261910024121.

It is an arithmetic number, because the mean of its divisors is an integer number (2095280192808).

Almost surely, 2^{11000221012221} is an apocalyptic number.

It is an amenable number.

11000221012221 is a deficient number, since it is larger than the sum of its proper divisors (5762020530243).

11000221012221 is an equidigital number, since it uses as much as digits as its factorization.

11000221012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523820048211.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11000221012221 its reverse (12221012200011), we get a palindrome (23221233212232).

The spelling of 11000221012221 in words is "eleven trillion, two hundred twenty-one million, twelve thousand, two hundred twenty-one".