102111012200189 has 2 divisors, whose sum is σ = 102111012200190. Its totient is φ = 102111012200188.

The previous prime is 102111012200159. The next prime is 102111012200207. The reversal of 102111012200189 is 981002210111201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81348818732164 + 20762193468025 = 9019358^2 + 4556555^2 .

It is a cyclic number.

It is not a de Polignac number, because 102111012200189 - 2³² = 102106717232893 is a prime.

It is a super-2 number, since 2×102111012200189² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102111012200159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055506100094 + 51055506100095.

It is an arithmetic number, because the mean of its divisors is an integer number (51055506100095).

Almost surely, 2^{102111012200189} is an apocalyptic number.

It is an amenable number.

102111012200189 is a deficient number, since it is larger than the sum of its proper divisors (1).

102111012200189 is an equidigital number, since it uses as much as digits as its factorization.

102111012200189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 29.

The spelling of 102111012200189 in words is "one hundred two trillion, one hundred eleven billion, twelve million, two hundred thousand, one hundred eighty-nine".