102000020011819 has 2 divisors, whose sum is σ = 102000020011820. Its totient is φ = 102000020011818.

The previous prime is 102000020011807. The next prime is 102000020011837. The reversal of 102000020011819 is 918110020000201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102000020011819 - 2⁵ = 102000020011787 is a prime.

It is a super-2 number, since 2×102000020011819² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102000020011793 and 102000020011802.

It is not a weakly prime, because it can be changed into another prime (102000020081819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51000010005909 + 51000010005910.

It is an arithmetic number, because the mean of its divisors is an integer number (51000010005910).

Almost surely, 2^{102000020011819} is an apocalyptic number.

102000020011819 is a deficient number, since it is larger than the sum of its proper divisors (1).

102000020011819 is an equidigital number, since it uses as much as digits as its factorization.

102000020011819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 102000020011819 in words is "one hundred two trillion, twenty million, eleven thousand, eight hundred nineteen".