1021011001079 has 2 divisors, whose sum is σ = 1021011001080. Its totient is φ = 1021011001078.

The previous prime is 1021011001069. The next prime is 1021011001217. The reversal of 1021011001079 is 9701001101201.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9701001101201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1021011001079 - 2³⁶ = 952291524343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021011001009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510505500539 + 510505500540.

It is an arithmetic number, because the mean of its divisors is an integer number (510505500540).

Almost surely, 2^{1021011001079} is an apocalyptic number.

1021011001079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021011001079 is an equidigital number, since it uses as much as digits as its factorization.

1021011001079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 23.

The spelling of 1021011001079 in words is "one trillion, twenty-one billion, eleven million, one thousand, seventy-nine".