102020211213187 has 2 divisors, whose sum is σ = 102020211213188. Its totient is φ = 102020211213186.

The previous prime is 102020211213149. The next prime is 102020211213191. The reversal of 102020211213187 is 781312112020201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102020211213187 is a prime.

It is not a weakly prime, because it can be changed into another prime (102020211213887) 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, 51010105606593 + 51010105606594.

It is an arithmetic number, because the mean of its divisors is an integer number (51010105606594).

Almost surely, 2^{102020211213187} is an apocalyptic number.

102020211213187 is a deficient number, since it is larger than the sum of its proper divisors (1).

102020211213187 is an equidigital number, since it uses as much as digits as its factorization.

102020211213187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 31.

Adding to 102020211213187 its reverse (781312112020201), we get a palindrome (883332323233388).

The spelling of 102020211213187 in words is "one hundred two trillion, twenty billion, two hundred eleven million, two hundred thirteen thousand, one hundred eighty-seven".