211222102185607 has 2 divisors, whose sum is σ = 211222102185608. Its totient is φ = 211222102185606.

The previous prime is 211222102185509. The next prime is 211222102185631. The reversal of 211222102185607 is 706581201222112.

211222102185607 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211222102185607 - 2¹¹ = 211222102183559 is a prime.

It is a super-2 number, since 2×211222102185607² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211222102185607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211222102185007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105611051092803 + 105611051092804.

It is an arithmetic number, because the mean of its divisors is an integer number (105611051092804).

Almost surely, 2^{211222102185607} is an apocalyptic number.

211222102185607 is a deficient number, since it is larger than the sum of its proper divisors (1).

211222102185607 is an equidigital number, since it uses as much as digits as its factorization.

211222102185607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 211222102185607 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred two million, one hundred eighty-five thousand, six hundred seven".