22011001211 has 2 divisors, whose sum is σ = 22011001212. Its totient is φ = 22011001210.

The previous prime is 22011001153. The next prime is 22011001217. The reversal of 22011001211 is 11210011022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22011001211 - 2⁶ = 22011001147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22011001192 and 22011001201.

It is not a weakly prime, because it can be changed into another prime (22011001217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005500605 + 11005500606.

It is an arithmetic number, because the mean of its divisors is an integer number (11005500606).

Almost surely, 2^22011001211 is an apocalyptic number.

22011001211 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011001211 is an equidigital number, since it uses as much as digits as its factorization.

22011001211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22011001211 its reverse (11210011022), we get a palindrome (33221012233).

The spelling of 22011001211 in words is "twenty-two billion, eleven million, one thousand, two hundred eleven".