1000002100219 has 4 divisors (see below), whose sum is σ = 1000020969144. Its totient is φ = 999983231296.

The previous prime is 1000002100183. The next prime is 1000002100243. The reversal of 1000002100219 is 9120012000001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1000002100219 - 2¹³ = 1000002092027 is a prime.

It is a super-2 number, since 2×1000002100219² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000002100249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9354742 + ... + 9461035.

It is an arithmetic number, because the mean of its divisors is an integer number (250005242286).

Almost surely, 2^{1000002100219} is an apocalyptic number.

1000002100219 is a deficient number, since it is larger than the sum of its proper divisors (18868925).

1000002100219 is an equidigital number, since it uses as much as digits as its factorization.

1000002100219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18868924.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 1000002100219 in words is "one trillion, two million, one hundred thousand, two hundred nineteen".