211022010222689 has 2 divisors, whose sum is σ = 211022010222690. Its totient is φ = 211022010222688.

The previous prime is 211022010222649. The next prime is 211022010222701. The reversal of 211022010222689 is 986222010220112.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199159269264400 + 11862740958289 = 14112380^2 + 3444233^2 .

It is a cyclic number.

It is not a de Polignac number, because 211022010222689 - 2⁴⁴ = 193429824178273 is a prime.

It is not a weakly prime, because it can be changed into another prime (211022010222629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105511005111344 + 105511005111345.

It is an arithmetic number, because the mean of its divisors is an integer number (105511005111345).

Almost surely, 2^{211022010222689} is an apocalyptic number.

It is an amenable number.

211022010222689 is a deficient number, since it is larger than the sum of its proper divisors (1).

211022010222689 is an equidigital number, since it uses as much as digits as its factorization.

211022010222689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 211022010222689 in words is "two hundred eleven trillion, twenty-two billion, ten million, two hundred twenty-two thousand, six hundred eighty-nine".