10020001001201 has 4 divisors (see below), whose sum is σ = 10056174290292. Its totient is φ = 9983827712112.

The previous prime is 10020001001167. The next prime is 10020001001203. The reversal of 10020001001201 is 10210010002001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4400261382400 + 5619739618801 = 2097680^2 + 2370599^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10020001001201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10020001001203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18086644130 + ... + 18086644683.

It is an arithmetic number, because the mean of its divisors is an integer number (2514043572573).

Almost surely, 2^{10020001001201} is an apocalyptic number.

It is an amenable number.

10020001001201 is a deficient number, since it is larger than the sum of its proper divisors (36173289091).

10020001001201 is an equidigital number, since it uses as much as digits as its factorization.

10020001001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36173289090.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10020001001201 its reverse (10210010002001), we get a palindrome (20230011003202).

The spelling of 10020001001201 in words is "ten trillion, twenty billion, one million, one thousand, two hundred one".