101010001019 has 2 divisors, whose sum is σ = 101010001020. Its totient is φ = 101010001018.

The previous prime is 101010001009. The next prime is 101010001087. The reversal of 101010001019 is 910100010101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101010001019 - 2²⁴ = 100993223803 is a prime.

It is a super-2 number, since 2×101010001019² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101010000994 and 101010001012.

It is not a weakly prime, because it can be changed into another prime (101010001009) 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, 50505000509 + 50505000510.

It is an arithmetic number, because the mean of its divisors is an integer number (50505000510).

Almost surely, 2^101010001019 is an apocalyptic number.

101010001019 is a deficient number, since it is larger than the sum of its proper divisors (1).

101010001019 is an equidigital number, since it uses as much as digits as its factorization.

101010001019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 14.

The spelling of 101010001019 in words is "one hundred one billion, ten million, one thousand, nineteen".