221101200011 has 2 divisors, whose sum is σ = 221101200012. Its totient is φ = 221101200010.

The previous prime is 221101200007. The next prime is 221101200017. The reversal of 221101200011 is 110002101122.

221101200011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221101200011 - 2² = 221101200007 is a prime.

It is a super-3 number, since 3×221101200011³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221101199965 and 221101200001.

It is not a weakly prime, because it can be changed into another prime (221101200017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110550600005 + 110550600006.

It is an arithmetic number, because the mean of its divisors is an integer number (110550600006).

Almost surely, 2^221101200011 is an apocalyptic number.

221101200011 is a deficient number, since it is larger than the sum of its proper divisors (1).

221101200011 is an equidigital number, since it uses as much as digits as its factorization.

221101200011 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 221101200011 its reverse (110002101122), we get a palindrome (331103301133).

The spelling of 221101200011 in words is "two hundred twenty-one billion, one hundred one million, two hundred thousand, eleven".