222001200001211 has 2 divisors, whose sum is σ = 222001200001212. Its totient is φ = 222001200001210.

The previous prime is 222001200001181. The next prime is 222001200001313. The reversal of 222001200001211 is 112100002100222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222001200001211 - 2³⁸ = 221726322094267 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (222001200003211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111000600000605 + 111000600000606.

It is an arithmetic number, because the mean of its divisors is an integer number (111000600000606).

Almost surely, 2^{222001200001211} is an apocalyptic number.

222001200001211 is a deficient number, since it is larger than the sum of its proper divisors (1).

222001200001211 is an equidigital number, since it uses as much as digits as its factorization.

222001200001211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222001200001211 its reverse (112100002100222), we get a palindrome (334101202101433).

The spelling of 222001200001211 in words is "two hundred twenty-two trillion, one billion, two hundred million, one thousand, two hundred eleven".