1220011110222 has 128 divisors (see below), whose sum is σ = 2639732917248. Its totient is φ = 374928998400.

The previous prime is 1220011110217. The next prime is 1220011110239. The reversal of 1220011110222 is 2220111100221.

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 63 ways as a sum of consecutive naturals, for example, 379237158 + ... + 379240374.

It is an arithmetic number, because the mean of its divisors is an integer number (20622913416).

Almost surely, 2^{1220011110222} is an apocalyptic number.

1220011110222 is an abundant number, since it is smaller than the sum of its proper divisors (1419721807026).

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

1220011110222 is a wasteful number, since it uses less digits than its factorization.

1220011110222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074.

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

Adding to 1220011110222 its reverse (2220111100221), we get a palindrome (3440122210443).

The spelling of 1220011110222 in words is "one trillion, two hundred twenty billion, eleven million, one hundred ten thousand, two hundred twenty-two".