11220220221222 has 8 divisors (see below), whose sum is σ = 22440440442456. Its totient is φ = 3740073407072.

The previous prime is 11220220221157. The next prime is 11220220221227. The reversal of 11220220221222 is 22212202202211.

11220220221222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

11220220221222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220220221227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935018351763 + ... + 935018351774.

It is an arithmetic number, because the mean of its divisors is an integer number (2805055055307).

Almost surely, 2^{11220220221222} is an apocalyptic number.

11220220221222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11220220221222 is a wasteful number, since it uses less digits than its factorization.

11220220221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870036703542.

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

Adding to 11220220221222 its reverse (22212202202211), we get a palindrome (33432422423433).

The spelling of 11220220221222 in words is "eleven trillion, two hundred twenty billion, two hundred twenty million, two hundred twenty-one thousand, two hundred twenty-two".