10202201020939 has 2 divisors, whose sum is σ = 10202201020940. Its totient is φ = 10202201020938.

The previous prime is 10202201020897. The next prime is 10202201021009. The reversal of 10202201020939 is 93902010220201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10202201020939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10202201020939.

It is not a weakly prime, because it can be changed into another prime (10202201020339) 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, 5101100510469 + 5101100510470.

It is an arithmetic number, because the mean of its divisors is an integer number (5101100510470).

Almost surely, 2^{10202201020939} is an apocalyptic number.

10202201020939 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202201020939 is an equidigital number, since it uses as much as digits as its factorization.

10202201020939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 10202201020939 in words is "ten trillion, two hundred two billion, two hundred one million, twenty thousand, nine hundred thirty-nine".