1020230111279 has 2 divisors, whose sum is σ = 1020230111280. Its totient is φ = 1020230111278.

The previous prime is 1020230111249. The next prime is 1020230111317. The reversal of 1020230111279 is 9721110320201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020230111279 - 2³² = 1015935143983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020230111249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510115055639 + 510115055640.

It is an arithmetic number, because the mean of its divisors is an integer number (510115055640).

Almost surely, 2^{1020230111279} is an apocalyptic number.

1020230111279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020230111279 is an equidigital number, since it uses as much as digits as its factorization.

1020230111279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The spelling of 1020230111279 in words is "one trillion, twenty billion, two hundred thirty million, one hundred eleven thousand, two hundred seventy-nine".