211422032077 has 2 divisors, whose sum is σ = 211422032078. Its totient is φ = 211422032076.

The previous prime is 211422032047. The next prime is 211422032161. The reversal of 211422032077 is 770230224112.

211422032077 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 can be written as a sum of positive squares in only one way, i.e., 195380796361 + 16041235716 = 442019^2 + 126654^2 .

It is a cyclic number.

It is not a de Polignac number, because 211422032077 - 2¹⁹ = 211421507789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211422032047) 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, 105711016038 + 105711016039.

It is an arithmetic number, because the mean of its divisors is an integer number (105711016039).

Almost surely, 2^211422032077 is an apocalyptic number.

It is an amenable number.

211422032077 is a deficient number, since it is larger than the sum of its proper divisors (1).

211422032077 is an equidigital number, since it uses as much as digits as its factorization.

211422032077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 31.

Adding to 211422032077 its reverse (770230224112), we get a palindrome (981652256189).

The spelling of 211422032077 in words is "two hundred eleven billion, four hundred twenty-two million, thirty-two thousand, seventy-seven".