102200191 has 2 divisors, whose sum is σ = 102200192.
Its totient is φ = 102200190.
The previous prime is 102200129. The next prime is 102200227. The reversal of 102200191 is 191002201.
Adding to 102200191 its reverse (191002201), we get a palindrome (293202392).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 102200191 - 215 = 102167423 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (102200101) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51100095 + 51100096.
It is an arithmetic number, because the mean of its divisors is an integer number (51100096).
Almost surely, 2102200191 is an apocalyptic number.
102200191 is a deficient number, since it is larger than the sum of its proper divisors (1).
102200191 is an equidigital number, since it uses as much as digits as its factorization.
102200191 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 36, while the sum is 16.
The square root of 102200191 is about 10109.4110115278.
The cubic root of 102200191 is about 467.5383456779.
The spelling of 102200191 in words is "one hundred two million, two hundred thousand, one hundred ninety-one".