222000021211 has 2 divisors, whose sum is σ = 222000021212. Its totient is φ = 222000021210.

The previous prime is 222000021193. The next prime is 222000021223. The reversal of 222000021211 is 112120000222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222000021211 - 2⁷ = 222000021083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222000021191 and 222000021200.

It is not a weakly prime, because it can be changed into another prime (222000021811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111000010605 + 111000010606.

It is an arithmetic number, because the mean of its divisors is an integer number (111000010606).

Almost surely, 2^222000021211 is an apocalyptic number.

222000021211 is a deficient number, since it is larger than the sum of its proper divisors (1).

222000021211 is an equidigital number, since it uses as much as digits as its factorization.

222000021211 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 13.

Adding to 222000021211 its reverse (112120000222), we get a palindrome (334120021433).

The spelling of 222000021211 in words is "two hundred twenty-two billion, twenty-one thousand, two hundred eleven".