11122212012220 has 24 divisors (see below), whose sum is σ = 23366656744704. Its totient is φ = 4446977848896.

The previous prime is 11122212012211. The next prime is 11122212012221. The reversal of 11122212012220 is 2221021222111.

It is a super-2 number, since 2×11122212012220² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122212012221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 119136924 + ... + 119230243.

It is an arithmetic number, because the mean of its divisors is an integer number (973610697696).

Almost surely, 2^{11122212012220} is an apocalyptic number.

11122212012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122212012220 is an abundant number, since it is smaller than the sum of its proper divisors (12244444732484).

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

11122212012220 is a wasteful number, since it uses less digits than its factorization.

11122212012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238369509 (or 238369507 counting only the distinct ones).

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

Adding to 11122212012220 its reverse (2221021222111), we get a palindrome (13343233234331).

The spelling of 11122212012220 in words is "eleven trillion, one hundred twenty-two billion, two hundred twelve million, twelve thousand, two hundred twenty".