22210112112220 has 12 divisors (see below), whose sum is σ = 46641235435704. Its totient is φ = 8884044844880.

The previous prime is 22210112112193. The next prime is 22210112112229. The reversal of 22210112112220 is 2221121101222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210112112229) 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 3 ways as a sum of consecutive naturals, for example, 555252802786 + ... + 555252802825.

It is an arithmetic number, because the mean of its divisors is an integer number (3886769619642).

Almost surely, 2^{22210112112220} is an apocalyptic number.

22210112112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22210112112220 is an abundant number, since it is smaller than the sum of its proper divisors (24431123323484).

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

22210112112220 is a wasteful number, since it uses less digits than its factorization.

22210112112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110505605620 (or 1110505605618 counting only the distinct ones).

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

Adding to 22210112112220 its reverse (2221121101222), we get a palindrome (24431233213442).

The spelling of 22210112112220 in words is "twenty-two trillion, two hundred ten billion, one hundred twelve million, one hundred twelve thousand, two hundred twenty".