222120112021120 has 32 divisors (see below), whose sum is σ = 531005892802020. Its totient is φ = 88848044808192.

The previous prime is 222120112021091. The next prime is 222120112021133. The reversal of 222120112021120 is 21120211021222.

It can be written as a sum of positive squares in 2 ways, for example, as 214221628961344 + 7898483059776 = 14636312^2 + 2810424^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

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, 173531336877 + ... + 173531338156.

Almost surely, 2^{222120112021120} is an apocalyptic number.

222120112021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222120112021120 is an abundant number, since it is smaller than the sum of its proper divisors (308885780780900).

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

222120112021120 is an equidigital number, since it uses as much as digits as its factorization.

222120112021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347062675052 (or 347062675040 counting only the distinct ones).

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

Adding to 222120112021120 its reverse (21120211021222), we get a palindrome (243240323042342).

The spelling of 222120112021120 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred twelve million, twenty-one thousand, one hundred twenty".