1000200021019 has 2 divisors, whose sum is σ = 1000200021020. Its totient is φ = 1000200021018.

The previous prime is 1000200020971. The next prime is 1000200021053. The reversal of 1000200021019 is 9101200020001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000200021019 - 2⁹ = 1000200020507 is a prime.

It is a super-2 number, since 2×1000200021019² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000200020993 and 1000200021011.

It is not a weakly prime, because it can be changed into another prime (1000200021089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500100010509 + 500100010510.

It is an arithmetic number, because the mean of its divisors is an integer number (500100010510).

Almost surely, 2^{1000200021019} is an apocalyptic number.

1000200021019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000200021019 is an equidigital number, since it uses as much as digits as its factorization.

1000200021019 is an evil number, because the sum of its binary digits is even.

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

The spelling of 1000200021019 in words is "one trillion, two hundred million, twenty-one thousand, nineteen".