222120122112211 has 16 divisors (see below), whose sum is σ = 222739870321440. Its totient is φ = 221501416331520.

The previous prime is 222120122112209. The next prime is 222120122112233. The reversal of 222120122112211 is 112211221021222.

It is a cyclic number.

It is not a de Polignac number, because 222120122112211 - 2¹ = 222120122112209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222120122142211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1745107305 + ... + 1745234581.

It is an arithmetic number, because the mean of its divisors is an integer number (13921241895090).

Almost surely, 2^{222120122112211} is an apocalyptic number.

222120122112211 is a deficient number, since it is larger than the sum of its proper divisors (619748209229).

222120122112211 is a wasteful number, since it uses less digits than its factorization.

222120122112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131334.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 222120122112211 its reverse (112211221021222), we get a palindrome (334331343133433).

The spelling of 222120122112211 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred twenty-two million, one hundred twelve thousand, two hundred eleven".