1222000000211 has 2 divisors, whose sum is σ = 1222000000212. Its totient is φ = 1222000000210.

The previous prime is 1222000000159. The next prime is 1222000000213. The reversal of 1222000000211 is 1120000002221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222000000211 - 2²² = 1221995805907 is a prime.

Together with 1222000000213, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222000000192 and 1222000000201.

It is not a weakly prime, because it can be changed into another prime (1222000000213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611000000105 + 611000000106.

It is an arithmetic number, because the mean of its divisors is an integer number (611000000106).

Almost surely, 2^{1222000000211} is an apocalyptic number.

1222000000211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222000000211 is an equidigital number, since it uses as much as digits as its factorization.

1222000000211 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.

Adding to 1222000000211 its reverse (1120000002221), we get a palindrome (2342000002432).

The spelling of 1222000000211 in words is "one trillion, two hundred twenty-two billion, two hundred eleven", and thus it is an aban number.