222120000122211 has 24 divisors (see below), whose sum is σ = 332723785670640. Its totient is φ = 148079634013152.

The previous prime is 222120000122183. The next prime is 222120000122221. The reversal of 222120000122211 is 112221000021222.

It is a happy number.

It is not a de Polignac number, because 222120000122211 - 2⁹ = 222120000121699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222120000122221) 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 23 ways as a sum of consecutive naturals, for example, 127386781 + ... + 129118673.

It is an arithmetic number, because the mean of its divisors is an integer number (13863491069610).

Almost surely, 2^{222120000122211} is an apocalyptic number.

222120000122211 is a deficient number, since it is larger than the sum of its proper divisors (110603785548429).

222120000122211 is an equidigital number, since it uses as much as digits as its factorization.

222120000122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259697 (or 2259685 counting only the distinct ones).

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

Adding to 222120000122211 its reverse (112221000021222), we get a palindrome (334341000143433).

The spelling of 222120000122211 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred twenty-two thousand, two hundred eleven".