510021010120019 has 2 divisors, whose sum is σ = 510021010120020. Its totient is φ = 510021010120018.

The previous prime is 510021010119991. The next prime is 510021010120049. The reversal of 510021010120019 is 910021010120015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 510021010120019 - 2⁸ = 510021010119763 is a prime.

It is a super-2 number, since 2×510021010120019² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 510021010119976 and 510021010120003.

It is not a weakly prime, because it can be changed into another prime (510021010120049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255010505060009 + 255010505060010.

It is an arithmetic number, because the mean of its divisors is an integer number (255010505060010).

Almost surely, 2^{510021010120019} is an apocalyptic number.

510021010120019 is a deficient number, since it is larger than the sum of its proper divisors (1).

510021010120019 is an equidigital number, since it uses as much as digits as its factorization.

510021010120019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 23.

The spelling of 510021010120019 in words is "five hundred ten trillion, twenty-one billion, ten million, one hundred twenty thousand, nineteen".