2221200011 has 2 divisors, whose sum is σ = 2221200012. Its totient is φ = 2221200010.

The previous prime is 2221200001. The next prime is 2221200017. The reversal of 2221200011 is 1100021222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221200011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2221199965 and 2221200001.

It is not a weakly prime, because it can be changed into another prime (2221200017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110600005 + 1110600006.

It is an arithmetic number, because the mean of its divisors is an integer number (1110600006).

Almost surely, 2^2221200011 is an apocalyptic number.

2221200011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221200011 is an equidigital number, since it uses as much as digits as its factorization.

2221200011 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.

The square root of 2221200011 is about 47129.6086446726. The cubic root of 2221200011 is about 1304.7557586197.

Adding to 2221200011 its reverse (1100021222), we get a palindrome (3321221233).

The spelling of 2221200011 in words is "two billion, two hundred twenty-one million, two hundred thousand, eleven".