979021121011 has 2 divisors, whose sum is σ = 979021121012. Its totient is φ = 979021121010.

The previous prime is 979021121003. The next prime is 979021121059. The reversal of 979021121011 is 110121120979.

It is a weak prime.

It is an emirp because it is prime and its reverse (110121120979) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 979021121011 - 2³ = 979021121003 is a prime.

It is not a weakly prime, because it can be changed into another prime (979021121081) 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, 489510560505 + 489510560506.

It is an arithmetic number, because the mean of its divisors is an integer number (489510560506).

Almost surely, 2^979021121011 is an apocalyptic number.

979021121011 is a deficient number, since it is larger than the sum of its proper divisors (1).

979021121011 is an equidigital number, since it uses as much as digits as its factorization.

979021121011 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 979021121011 in words is "nine hundred seventy-nine billion, twenty-one million, one hundred twenty-one thousand, eleven".