102212210189 has 2 divisors, whose sum is σ = 102212210190. Its totient is φ = 102212210188.

The previous prime is 102212210147. The next prime is 102212210239. The reversal of 102212210189 is 981012212201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98072317225 + 4139892964 = 313165^2 + 64342^2 .

It is a cyclic number.

It is not a de Polignac number, because 102212210189 - 2¹² = 102212206093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102212213189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51106105094 + 51106105095.

It is an arithmetic number, because the mean of its divisors is an integer number (51106105095).

Almost surely, 2^102212210189 is an apocalyptic number.

It is an amenable number.

102212210189 is a deficient number, since it is larger than the sum of its proper divisors (1).

102212210189 is an equidigital number, since it uses as much as digits as its factorization.

102212210189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 102212210189 in words is "one hundred two billion, two hundred twelve million, two hundred ten thousand, one hundred eighty-nine".