222222120000 has 140 divisors (see below), whose sum is σ = 734718577296. Its totient is φ = 59259200000.

The previous prime is 222222119963. The next prime is 222222120013. The reversal of 222222120000 is 21222222.

222222120000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 805926 + ... + 1045925.

Almost surely, 2^222222120000 is an apocalyptic number.

222222120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222222120000 is an abundant number, since it is smaller than the sum of its proper divisors (512496457296).

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

222222120000 is an equidigital number, since it uses as much as digits as its factorization.

222222120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851886 (or 1851861 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 222222120000 its reverse (21222222), we get a palindrome (222243342222).

The spelling of 222222120000 in words is "two hundred twenty-two billion, two hundred twenty-two million, one hundred twenty thousand".