102100016917783 has 2 divisors, whose sum is σ = 102100016917784. Its totient is φ = 102100016917782.

The previous prime is 102100016917777. The next prime is 102100016917799. The reversal of 102100016917783 is 387719610001201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102100016917783 is a prime.

It is a super-2 number, since 2×102100016917783² (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 (102100016987783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51050008458891 + 51050008458892.

It is an arithmetic number, because the mean of its divisors is an integer number (51050008458892).

Almost surely, 2^{102100016917783} is an apocalyptic number.

102100016917783 is a deficient number, since it is larger than the sum of its proper divisors (1).

102100016917783 is an equidigital number, since it uses as much as digits as its factorization.

102100016917783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 46.

Adding to 102100016917783 its reverse (387719610001201), we get a palindrome (489819626918984).

The spelling of 102100016917783 in words is "one hundred two trillion, one hundred billion, sixteen million, nine hundred seventeen thousand, seven hundred eighty-three".