22211220011 has 2 divisors, whose sum is σ = 22211220012. Its totient is φ = 22211220010.

The previous prime is 22211219971. The next prime is 22211220013. The reversal of 22211220011 is 11002211222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22211220011 - 2²² = 22207025707 is a prime.

Together with 22211220013, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 10.

It is not a weakly prime, because it can be changed into another prime (22211220013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105610005 + 11105610006.

It is an arithmetic number, because the mean of its divisors is an integer number (11105610006).

Almost surely, 2^22211220011 is an apocalyptic number.

22211220011 is a deficient number, since it is larger than the sum of its proper divisors (1).

22211220011 is an equidigital number, since it uses as much as digits as its factorization.

22211220011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22211220011 its reverse (11002211222), we get a palindrome (33213431233).

The spelling of 22211220011 in words is "twenty-two billion, two hundred eleven million, two hundred twenty thousand, eleven".