102000121187 has 2 divisors, whose sum is σ = 102000121188. Its totient is φ = 102000121186.

The previous prime is 102000121183. The next prime is 102000121229. The reversal of 102000121187 is 781121000201.

It is a weak prime.

It is an emirp because it is prime and its reverse (781121000201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102000121187 - 2² = 102000121183 is a prime.

It is not a weakly prime, because it can be changed into another prime (102000121183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000060593 + 51000060594.

It is an arithmetic number, because the mean of its divisors is an integer number (51000060594).

Almost surely, 2^102000121187 is an apocalyptic number.

102000121187 is a deficient number, since it is larger than the sum of its proper divisors (1).

102000121187 is an equidigital number, since it uses as much as digits as its factorization.

102000121187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 102000121187 its reverse (781121000201), we get a palindrome (883121121388).

The spelling of 102000121187 in words is "one hundred two billion, one hundred twenty-one thousand, one hundred eighty-seven".