11121211120222 has 16 divisors (see below), whose sum is σ = 19161709665120. Its totient is φ = 4742039258208.

The previous prime is 11121211120189. The next prime is 11121211120301. The reversal of 11121211120222 is 22202111212111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11121211120222.

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, 2016170397 + ... + 2016175912.

It is an arithmetic number, because the mean of its divisors is an integer number (1197606854070).

Almost surely, 2^{11121211120222} is an apocalyptic number.

11121211120222 is a deficient number, since it is larger than the sum of its proper divisors (8040498544898).

11121211120222 is a wasteful number, since it uses less digits than its factorization.

11121211120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4032346515.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11121211120222 its reverse (22202111212111), we get a palindrome (33323322332333).

The spelling of 11121211120222 in words is "eleven trillion, one hundred twenty-one billion, two hundred eleven million, one hundred twenty thousand, two hundred twenty-two".