100001001019 has 2 divisors, whose sum is σ = 100001001020. Its totient is φ = 100001001018.

The previous prime is 100001001011. The next prime is 100001001091. The reversal of 100001001019 is 910100100001.

Together with next prime (100001001091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100001001019 - 2³ = 100001001011 is a prime.

It is a super-2 number, since 2×100001001019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100001001011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000500509 + 50000500510.

It is an arithmetic number, because the mean of its divisors is an integer number (50000500510).

Almost surely, 2^100001001019 is an apocalyptic number.

100001001019 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001001019 is an equidigital number, since it uses as much as digits as its factorization.

100001001019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 13.

The spelling of 100001001019 in words is "one hundred billion, one million, one thousand, nineteen".