2211030031211 has 2 divisors, whose sum is σ = 2211030031212. Its totient is φ = 2211030031210.

The previous prime is 2211030031181. The next prime is 2211030031253. The reversal of 2211030031211 is 1121300301122.

2211030031211 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 a de Polignac number, because none of the positive numbers 2^k-2211030031211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2211030031211.

It is not a weakly prime, because it can be changed into another prime (2211030031291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105515015605 + 1105515015606.

It is an arithmetic number, because the mean of its divisors is an integer number (1105515015606).

Almost surely, 2^{2211030031211} is an apocalyptic number.

2211030031211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211030031211 is an equidigital number, since it uses as much as digits as its factorization.

2211030031211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2211030031211 its reverse (1121300301122), we get a palindrome (3332330332333).

The spelling of 2211030031211 in words is "two trillion, two hundred eleven billion, thirty million, thirty-one thousand, two hundred eleven".