22112020112220 has 108 divisors (see below), whose sum is σ = 69649325034744. Its totient is φ = 5896538661600.

The previous prime is 22112020112201. The next prime is 22112020112257. The reversal of 22112020112220 is 2221102021122.

It is a happy number.

22112020112220 is a `hidden beast` number, since 2 + 211 + 20 + 201 + 12 + 220 = 666.

It is a tau number, because it is divible by the number of its divisors (108).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22112020112193 and 22112020112202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 84124306 + ... + 84386745.

Almost surely, 2^{22112020112220} is an apocalyptic number.

22112020112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112020112220 is an abundant number, since it is smaller than the sum of its proper divisors (47537304922524).

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

22112020112220 is an equidigital number, since it uses as much as digits as its factorization.

22112020112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168511084 (or 168511061 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22112020112220 its reverse (2221102021122), we get a palindrome (24333122133342).

The spelling of 22112020112220 in words is "twenty-two trillion, one hundred twelve billion, twenty million, one hundred twelve thousand, two hundred twenty".