1002030021079 has 2 divisors, whose sum is σ = 1002030021080. Its totient is φ = 1002030021078.

The previous prime is 1002030021067. The next prime is 1002030021103. The reversal of 1002030021079 is 9701200302001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1002030021079 - 2³⁷ = 864591067607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002030021029) 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 as a sum of consecutive naturals, namely, 501015010539 + 501015010540.

It is an arithmetic number, because the mean of its divisors is an integer number (501015010540).

Almost surely, 2^{1002030021079} is an apocalyptic number.

1002030021079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002030021079 is an equidigital number, since it uses as much as digits as its factorization.

1002030021079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The spelling of 1002030021079 in words is "one trillion, two billion, thirty million, twenty-one thousand, seventy-nine".