1021110112079 has 2 divisors, whose sum is σ = 1021110112080. Its totient is φ = 1021110112078.

The previous prime is 1021110111991. The next prime is 1021110112097. The reversal of 1021110112079 is 9702110111201.

Together with next prime (1021110112097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (9702110111201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1021110112079 - 2¹⁶ = 1021110046543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021110612079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510555056039 + 510555056040.

It is an arithmetic number, because the mean of its divisors is an integer number (510555056040).

Almost surely, 2^{1021110112079} is an apocalyptic number.

1021110112079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021110112079 is an equidigital number, since it uses as much as digits as its factorization.

1021110112079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 26.

The spelling of 1021110112079 in words is "one trillion, twenty-one billion, one hundred ten million, one hundred twelve thousand, seventy-nine".