10210221212189 has 2 divisors, whose sum is σ = 10210221212190. Its totient is φ = 10210221212188.

The previous prime is 10210221212179. The next prime is 10210221212207. The reversal of 10210221212189 is 98121212201201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10198333671289 + 11887540900 = 3193483^2 + 109030^2 .

It is a cyclic number.

It is not a de Polignac number, because 10210221212189 - 2²⁰ = 10210220163613 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10210221212159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105110606094 + 5105110606095.

It is an arithmetic number, because the mean of its divisors is an integer number (5105110606095).

Almost surely, 2^{10210221212189} is an apocalyptic number.

It is an amenable number.

10210221212189 is a deficient number, since it is larger than the sum of its proper divisors (1).

10210221212189 is an equidigital number, since it uses as much as digits as its factorization.

10210221212189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 32.

The spelling of 10210221212189 in words is "ten trillion, two hundred ten billion, two hundred twenty-one million, two hundred twelve thousand, one hundred eighty-nine".