102100012019 has 2 divisors, whose sum is σ = 102100012020. Its totient is φ = 102100012018.

The previous prime is 102100012009. The next prime is 102100012031. The reversal of 102100012019 is 910210001201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102100012019 - 2¹⁶ = 102099946483 is a prime.

It is a super-2 number, since 2×102100012019² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102100011988 and 102100012006.

It is not a weakly prime, because it can be changed into another prime (102100012009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51050006009 + 51050006010.

It is an arithmetic number, because the mean of its divisors is an integer number (51050006010).

Almost surely, 2^102100012019 is an apocalyptic number.

102100012019 is a deficient number, since it is larger than the sum of its proper divisors (1).

102100012019 is an equidigital number, since it uses as much as digits as its factorization.

102100012019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 102100012019 in words is "one hundred two billion, one hundred million, twelve thousand, nineteen".