220011111222 has 48 divisors (see below), whose sum is σ = 512104466160. Its totient is φ = 62830612992.

The previous prime is 220011111217. The next prime is 220011111233. The reversal of 220011111222 is 222111110022.

220011111222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×220011111222² (a number of 23 digits) contains 22 as substring.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 450178 + ... + 801674.

It is an arithmetic number, because the mean of its divisors is an integer number (10668843045).

Almost surely, 2^220011111222 is an apocalyptic number.

220011111222 is an abundant number, since it is smaller than the sum of its proper divisors (292093354938).

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

220011111222 is a wasteful number, since it uses less digits than its factorization.

220011111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353645 (or 353638 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220011111222 its reverse (222111110022), we get a palindrome (442122221244).

The spelling of 220011111222 in words is "two hundred twenty billion, eleven million, one hundred eleven thousand, two hundred twenty-two".