102100120219 has 2 divisors, whose sum is σ = 102100120220. Its totient is φ = 102100120218.

The previous prime is 102100120183. The next prime is 102100120237. The reversal of 102100120219 is 912021001201.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (912021001201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102100120219 is a prime.

It is a super-2 number, since 2×102100120219² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102100120196 and 102100120205.

It is not a weakly prime, because it can be changed into another prime (102100120819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51050060109 + 51050060110.

It is an arithmetic number, because the mean of its divisors is an integer number (51050060110).

Almost surely, 2^102100120219 is an apocalyptic number.

102100120219 is a deficient number, since it is larger than the sum of its proper divisors (1).

102100120219 is an equidigital number, since it uses as much as digits as its factorization.

102100120219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 102100120219 in words is "one hundred two billion, one hundred million, one hundred twenty thousand, two hundred nineteen".