11022221220211 has 8 divisors (see below), whose sum is σ = 11307613503024. Its totient is φ = 10740206361120.

The previous prime is 11022221220151. The next prime is 11022221220233. The reversal of 11022221220211 is 11202212222011.

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

It is a cyclic number.

It is not a de Polignac number, because 11022221220211 - 2⁷ = 11022221220083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11022221224211) 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, 844349320 + ... + 844362373.

It is an arithmetic number, because the mean of its divisors is an integer number (1413451687878).

Almost surely, 2^{11022221220211} is an apocalyptic number.

11022221220211 is a deficient number, since it is larger than the sum of its proper divisors (285392282813).

11022221220211 is a wasteful number, since it uses less digits than its factorization.

11022221220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688711861.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11022221220211 its reverse (11202212222011), we get a palindrome (22224433442222).

The spelling of 11022221220211 in words is "eleven trillion, twenty-two billion, two hundred twenty-one million, two hundred twenty thousand, two hundred eleven".