102100687919 has 2 divisors, whose sum is σ = 102100687920. Its totient is φ = 102100687918.

The previous prime is 102100687877. The next prime is 102100687963. The reversal of 102100687919 is 919786001201.

It is an a-pointer prime, because the next prime (102100687963) can be obtained adding 102100687919 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102100687919 - 2¹⁶ = 102100622383 is a prime.

It is a super-2 number, since 2×102100687919² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102100687919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102100687979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51050343959 + 51050343960.

It is an arithmetic number, because the mean of its divisors is an integer number (51050343960).

Almost surely, 2^102100687919 is an apocalyptic number.

102100687919 is a deficient number, since it is larger than the sum of its proper divisors (1).

102100687919 is an equidigital number, since it uses as much as digits as its factorization.

102100687919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 44.

The spelling of 102100687919 in words is "one hundred two billion, one hundred million, six hundred eighty-seven thousand, nine hundred nineteen".