211030322011 has 2 divisors, whose sum is σ = 211030322012. Its totient is φ = 211030322010.

The previous prime is 211030322003. The next prime is 211030322077. The reversal of 211030322011 is 110223030112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211030322011 - 2³ = 211030322003 is a prime.

It is not a weakly prime, because it can be changed into another prime (211030322411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105515161005 + 105515161006.

It is an arithmetic number, because the mean of its divisors is an integer number (105515161006).

Almost surely, 2^211030322011 is an apocalyptic number.

211030322011 is a deficient number, since it is larger than the sum of its proper divisors (1).

211030322011 is an equidigital number, since it uses as much as digits as its factorization.

211030322011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 211030322011 its reverse (110223030112), we get a palindrome (321253352123).

The spelling of 211030322011 in words is "two hundred eleven billion, thirty million, three hundred twenty-two thousand, eleven".