11122221220012 has 24 divisors (see below), whose sum is σ = 22621466891520. Its totient is φ = 4685875283280.

The previous prime is 11122221219979. The next prime is 11122221220027. The reversal of 11122221220012 is 21002212222111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3366288064 + ... + 3366291367.

It is an arithmetic number, because the mean of its divisors is an integer number (942561120480).

Almost surely, 2^{11122221220012} is an apocalyptic number.

It is an amenable number.

11122221220012 is an abundant number, since it is smaller than the sum of its proper divisors (11499245671508).

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

11122221220012 is a wasteful number, since it uses less digits than its factorization.

11122221220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6732579501 (or 6732579499 counting only the distinct ones).

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

Adding to 11122221220012 its reverse (21002212222111), we get a palindrome (32124433442123).

The spelling of 11122221220012 in words is "eleven trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred twenty thousand, twelve".