22212212221120 has 56 divisors (see below), whose sum is σ = 55192518645984. Its totient is φ = 8498585542656.

The previous prime is 22212212221099. The next prime is 22212212221123. The reversal of 22212212221120 is 2112221221222.

It is a junction number, because it is equal to n+sod(n) for n = 22212212221091 and 22212212221100.

It is not an unprimeable number, because it can be changed into a prime (22212212221123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1508974449 + ... + 1508989168.

Almost surely, 2^{22212212221120} is an apocalyptic number.

22212212221120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212212221120 is an abundant number, since it is smaller than the sum of its proper divisors (32980306424864).

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

22212212221120 is a wasteful number, since it uses less digits than its factorization.

22212212221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3017963657 (or 3017963647 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 22212212221120 its reverse (2112221221222), we get a palindrome (24324433442342).

The spelling of 22212212221120 in words is "twenty-two trillion, two hundred twelve billion, two hundred twelve million, two hundred twenty-one thousand, one hundred twenty".