11221120012222 has 16 divisors (see below), whose sum is σ = 17381124676080. Its totient is φ = 5429805881472.

The previous prime is 11221120012213. The next prime is 11221120012253. The reversal of 11221120012222 is 22221002112211.

It is a self number, because there is not a number n which added to its sum of digits gives 11221120012222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 598514203 + ... + 598532950.

It is an arithmetic number, because the mean of its divisors is an integer number (1086320292255).

Almost surely, 2^{11221120012222} is an apocalyptic number.

11221120012222 is a deficient number, since it is larger than the sum of its proper divisors (6160004663858).

11221120012222 is a wasteful number, since it uses less digits than its factorization.

11221120012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197047307.

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

Adding to 11221120012222 its reverse (22221002112211), we get a palindrome (33442122124433).

The spelling of 11221120012222 in words is "eleven trillion, two hundred twenty-one billion, one hundred twenty million, twelve thousand, two hundred twenty-two".