222120443000000 has 196 divisors, whose sum is σ = 552107176687680. Its totient is φ = 88662499200000.

The previous prime is 222120442999957. The next prime is 222120443000009. The reversal of 222120443000000 is 344021222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (222120443000009) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 478768142 + ... + 479231858.

Almost surely, 2^{222120443000000} is an apocalyptic number.

222120443000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222120443000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276053588343840).

222120443000000 is an abundant number, since it is smaller than the sum of its proper divisors (329986733687680).

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

222120443000000 is an frugal number, since it uses more digits than its factorization.

222120443000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464238 (or 464203 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 222120443000000 its reverse (344021222), we get a palindrome (222120787021222).

The spelling of 222120443000000 in words is "two hundred twenty-two trillion, one hundred twenty billion, four hundred forty-three million", and thus it is an aban number.