11220221100222 has 24 divisors (see below), whose sum is σ = 24551176866840. Its totient is φ = 3703043266800.

The previous prime is 11220221100157. The next prime is 11220221100251. The reversal of 11220221100222 is 22200112202211.

It is a happy number.

11220221100222 is a `hidden beast` number, since 1 + 1 + 220 + 221 + 1 + 0 + 0 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11220221100195 and 11220221100204.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3085867572 + ... + 3085871207.

It is an arithmetic number, because the mean of its divisors is an integer number (1022965702785).

Almost surely, 2^{11220221100222} is an apocalyptic number.

11220221100222 is an abundant number, since it is smaller than the sum of its proper divisors (13330955766618).

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

11220221100222 is a wasteful number, since it uses less digits than its factorization.

11220221100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6171738888 (or 6171738885 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11220221100222 its reverse (22200112202211), we get a palindrome (33420333302433).

The spelling of 11220221100222 in words is "eleven trillion, two hundred twenty billion, two hundred twenty-one million, one hundred thousand, two hundred twenty-two".