11244202221 has 8 divisors (see below), whose sum is σ = 17134022464. Its totient is φ = 6425258400.

The previous prime is 11244202187. The next prime is 11244202259. The reversal of 11244202221 is 12220244211.

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

It is not a de Polignac number, because 11244202221 - 2⁶ = 11244202157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 535438201 = 11244202221 / (1 + 1 + 2 + 4 + 4 + 2 + 0 + 2 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11244252221) 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, 267719080 + ... + 267719121.

It is an arithmetic number, because the mean of its divisors is an integer number (2141752808).

Almost surely, 2^11244202221 is an apocalyptic number.

It is an amenable number.

11244202221 is a deficient number, since it is larger than the sum of its proper divisors (5889820243).

11244202221 is an equidigital number, since it uses as much as digits as its factorization.

11244202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535438211.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 11244202221 its reverse (12220244211), we get a palindrome (23464446432).

The spelling of 11244202221 in words is "eleven billion, two hundred forty-four million, two hundred two thousand, two hundred twenty-one".