1222000211 has 2 divisors, whose sum is σ = 1222000212. Its totient is φ = 1222000210.

The previous prime is 1222000201. The next prime is 1222000229. The reversal of 1222000211 is 1120002221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222000211 - 2¹⁴ = 1221983827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222000192 and 1222000201.

It is not a weakly prime, because it can be changed into another prime (1222000201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611000105 + 611000106.

It is an arithmetic number, because the mean of its divisors is an integer number (611000106).

Almost surely, 2^1222000211 is an apocalyptic number.

1222000211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222000211 is an equidigital number, since it uses as much as digits as its factorization.

1222000211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1222000211 is about 34957.1196038804. The cubic root of 1222000211 is about 1069.1133689315.

Adding to 1222000211 its reverse (1120002221), we get a palindrome (2342002432).

The spelling of 1222000211 in words is "one billion, two hundred twenty-two million, two hundred eleven", and thus it is an aban number.