210011012221189 has 2 divisors, whose sum is σ = 210011012221190. Its totient is φ = 210011012221188.

The previous prime is 210011012221169. The next prime is 210011012221217. The reversal of 210011012221189 is 981122210110012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186717193802500 + 23293818418689 = 13664450^2 + 4826367^2 .

It is a cyclic number.

It is not a de Polignac number, because 210011012221189 - 2²¹ = 210011010124037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210011012221189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210011012221169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105005506110594 + 105005506110595.

It is an arithmetic number, because the mean of its divisors is an integer number (105005506110595).

Almost surely, 2^{210011012221189} is an apocalyptic number.

It is an amenable number.

210011012221189 is a deficient number, since it is larger than the sum of its proper divisors (1).

210011012221189 is an equidigital number, since it uses as much as digits as its factorization.

210011012221189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 31.

The spelling of 210011012221189 in words is "two hundred ten trillion, eleven billion, twelve million, two hundred twenty-one thousand, one hundred eighty-nine".