100001021019 has 8 divisors (see below), whose sum is σ = 134654840592. Its totient is φ = 66007274400.

The previous prime is 100001020969. The next prime is 100001021023. The reversal of 100001021019 is 910120100001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100001021019 - 2¹⁹ = 100000496731 is a prime.

It is a super-2 number, since 2×100001021019² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100001020989 and 100001021007.

It is not an unprimeable number, because it can be changed into a prime (100001021039) 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 in 7 ways as a sum of consecutive naturals, for example, 165017884 + ... + 165018489.

It is an arithmetic number, because the mean of its divisors is an integer number (16831855074).

Almost surely, 2^100001021019 is an apocalyptic number.

100001021019 is a deficient number, since it is larger than the sum of its proper divisors (34653819573).

100001021019 is a wasteful number, since it uses less digits than its factorization.

100001021019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330036477.

The product of its (nonzero) digits is 18, while the sum is 15.

The spelling of 100001021019 in words is "one hundred billion, one million, twenty-one thousand, nineteen".