10201020001 has 4 divisors (see below), whose sum is σ = 10203105472. Its totient is φ = 10198934532.

The previous prime is 10201019963. The next prime is 10201020023. The reversal of 10201020001 is 10002010201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10002010201 = 83 ⋅120506147.

It is a cyclic number.

It is not a de Polignac number, because 10201020001 - 2¹³ = 10201011809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10201020041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035381 + ... + 1045186.

It is an arithmetic number, because the mean of its divisors is an integer number (2550776368).

Almost surely, 2^10201020001 is an apocalyptic number.

It is an amenable number.

10201020001 is a deficient number, since it is larger than the sum of its proper divisors (2085471).

10201020001 is an equidigital number, since it uses as much as digits as its factorization.

10201020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085470.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 10201020001 its reverse (10002010201), we get a palindrome (20203030202).

The spelling of 10201020001 in words is "ten billion, two hundred one million, twenty thousand, one".