11122221120222 has 32 divisors (see below), whose sum is σ = 23235497015040. Its totient is φ = 3542563259840.

The previous prime is 11122221120193. The next prime is 11122221120239. The reversal of 11122221120222 is 22202112222111.

It is a super-2 number, since 2×11122221120222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41367447 + ... + 41635442.

It is an arithmetic number, because the mean of its divisors is an integer number (726109281720).

Almost surely, 2^{11122221120222} is an apocalyptic number.

11122221120222 is an abundant number, since it is smaller than the sum of its proper divisors (12113275894818).

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

11122221120222 is a wasteful number, since it uses less digits than its factorization.

11122221120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83003888.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11122221120222 its reverse (22202112222111), we get a palindrome (33324333342333).

The spelling of 11122221120222 in words is "eleven trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty thousand, two hundred twenty-two".