1021011210979 has 2 divisors, whose sum is σ = 1021011210980. Its totient is φ = 1021011210978.

The previous prime is 1021011210931. The next prime is 1021011211007. The reversal of 1021011210979 is 9790121101201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1021011210979 - 2³⁹ = 471255397091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021011210179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510505605489 + 510505605490.

It is an arithmetic number, because the mean of its divisors is an integer number (510505605490).

Almost surely, 2^{1021011210979} is an apocalyptic number.

1021011210979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021011210979 is an equidigital number, since it uses as much as digits as its factorization.

1021011210979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 34.

The spelling of 1021011210979 in words is "one trillion, twenty-one billion, eleven million, two hundred ten thousand, nine hundred seventy-nine".