1222010001211 has 2 divisors, whose sum is σ = 1222010001212. Its totient is φ = 1222010001210.

The previous prime is 1222010001209. The next prime is 1222010001217. The reversal of 1222010001211 is 1121000102221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222010001211 - 2¹ = 1222010001209 is a prime.

Together with 1222010001209, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1222010001191 and 1222010001200.

It is not a weakly prime, because it can be changed into another prime (1222010001217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611005000605 + 611005000606.

It is an arithmetic number, because the mean of its divisors is an integer number (611005000606).

Almost surely, 2^{1222010001211} is an apocalyptic number.

1222010001211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222010001211 is an equidigital number, since it uses as much as digits as its factorization.

1222010001211 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 13.

Adding to 1222010001211 its reverse (1121000102221), we get a palindrome (2343010103432).

The spelling of 1222010001211 in words is "one trillion, two hundred twenty-two billion, ten million, one thousand, two hundred eleven".