211000221200011 has 2 divisors, whose sum is σ = 211000221200012. Its totient is φ = 211000221200010.

The previous prime is 211000221199991. The next prime is 211000221200113. The reversal of 211000221200011 is 110002122000112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211000221200011 - 2⁷ = 211000221199883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211000221199964 and 211000221200000.

It is not a weakly prime, because it can be changed into another prime (211000221200311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105500110600005 + 105500110600006.

It is an arithmetic number, because the mean of its divisors is an integer number (105500110600006).

Almost surely, 2^{211000221200011} is an apocalyptic number.

211000221200011 is a deficient number, since it is larger than the sum of its proper divisors (1).

211000221200011 is an equidigital number, since it uses as much as digits as its factorization.

211000221200011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211000221200011 its reverse (110002122000112), we get a palindrome (321002343200123).

The spelling of 211000221200011 in words is "two hundred eleven trillion, two hundred twenty-one million, two hundred thousand, eleven".