22001200211 has 2 divisors, whose sum is σ = 22001200212. Its totient is φ = 22001200210.

The previous prime is 22001200187. The next prime is 22001200237. The reversal of 22001200211 is 11200210022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22001200211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22001200192 and 22001200201.

It is not a weakly prime, because it can be changed into another prime (22001200261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000600105 + 11000600106.

It is an arithmetic number, because the mean of its divisors is an integer number (11000600106).

Almost surely, 2^22001200211 is an apocalyptic number.

22001200211 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001200211 is an equidigital number, since it uses as much as digits as its factorization.

22001200211 is an odious number, because the sum of its binary digits is odd.

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

Adding to 22001200211 its reverse (11200210022), we get a palindrome (33201410233).

The spelling of 22001200211 in words is "twenty-two billion, one million, two hundred thousand, two hundred eleven".