11111220110222 has 16 divisors (see below), whose sum is σ = 17161801134912. Its totient is φ = 5392023905280.

The previous prime is 11111220110209. The next prime is 11111220110281. The reversal of 11111220110222 is 22201102211111.

It is a self number, because there is not a number n which added to its sum of digits gives 11111220110222.

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, 351027398 + ... + 351059049.

It is an arithmetic number, because the mean of its divisors is an integer number (1072612570932).

Almost surely, 2^{11111220110222} is an apocalyptic number.

11111220110222 is a deficient number, since it is larger than the sum of its proper divisors (6050581024690).

11111220110222 is a wasteful number, since it uses less digits than its factorization.

11111220110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702086683.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11111220110222 its reverse (22201102211111), we get a palindrome (33312322321333).

The spelling of 11111220110222 in words is "eleven trillion, one hundred eleven billion, two hundred twenty million, one hundred ten thousand, two hundred twenty-two".