11220222110221 has 8 divisors (see below), whose sum is σ = 11252147598720. Its totient is φ = 11188297414272.

The previous prime is 11220222110203. The next prime is 11220222110243. The reversal of 11220222110221 is 12201122202211.

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 11220222110221 - 2⁵ = 11220222110189 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 (11220222110261) 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, 39365406 + ... + 39649408.

It is an arithmetic number, because the mean of its divisors is an integer number (1406518449840).

Almost surely, 2^{11220222110221} is an apocalyptic number.

It is an amenable number.

11220222110221 is a deficient number, since it is larger than the sum of its proper divisors (31925488499).

11220222110221 is a wasteful number, since it uses less digits than its factorization.

11220222110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396275.

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

Adding to 11220222110221 its reverse (12201122202211), we get a palindrome (23421344312432).

The spelling of 11220222110221 in words is "eleven trillion, two hundred twenty billion, two hundred twenty-two million, one hundred ten thousand, two hundred twenty-one".