211222310232229 has 2 divisors, whose sum is σ = 211222310232230. Its totient is φ = 211222310232228.

The previous prime is 211222310232191. The next prime is 211222310232257. The reversal of 211222310232229 is 922232013222112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106180350228225 + 105041960004004 = 10304385^2 + 10248998^2 .

It is a cyclic number.

It is not a de Polignac number, because 211222310232229 - 2¹⁷ = 211222310101157 is a prime.

It is a super-2 number, since 2×211222310232229² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211222310232194 and 211222310232203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211222310238229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105611155116114 + 105611155116115.

It is an arithmetic number, because the mean of its divisors is an integer number (105611155116115).

Almost surely, 2^{211222310232229} is an apocalyptic number.

It is an amenable number.

211222310232229 is a deficient number, since it is larger than the sum of its proper divisors (1).

211222310232229 is an equidigital number, since it uses as much as digits as its factorization.

211222310232229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 211222310232229 in words is "two hundred eleven trillion, two hundred twenty-two billion, three hundred ten million, two hundred thirty-two thousand, two hundred twenty-nine".