10021200979 has 2 divisors, whose sum is σ = 10021200980. Its totient is φ = 10021200978.

The previous prime is 10021200967. The next prime is 10021201013. The reversal of 10021200979 is 97900212001.

10021200979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10021200979 - 2¹¹ = 10021198931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10021200979.

It is not a weakly prime, because it can be changed into another prime (10021200949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010600489 + 5010600490.

It is an arithmetic number, because the mean of its divisors is an integer number (5010600490).

Almost surely, 2^10021200979 is an apocalyptic number.

10021200979 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021200979 is an equidigital number, since it uses as much as digits as its factorization.

10021200979 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 31.

The spelling of 10021200979 in words is "ten billion, twenty-one million, two hundred thousand, nine hundred seventy-nine".