10201021010001 has 16 divisors (see below), whose sum is σ = 15600127710720. Its totient is φ = 6581303876880.

The previous prime is 10201021009979. The next prime is 10201021010009. The reversal of 10201021010001 is 10001012010201.

It is a happy number.

It is not a de Polignac number, because 10201021010001 - 2⁷ = 10201021009873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10201021010009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6093799050 + ... + 6093800723.

It is an arithmetic number, because the mean of its divisors is an integer number (975007981920).

Almost surely, 2^{10201021010001} is an apocalyptic number.

It is an amenable number.

10201021010001 is a deficient number, since it is larger than the sum of its proper divisors (5399106700719).

10201021010001 is a wasteful number, since it uses less digits than its factorization.

10201021010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12187599813 (or 12187599807 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10201021010001 its reverse (10001012010201), we get a palindrome (20202033020202).

The spelling of 10201021010001 in words is "ten trillion, two hundred one billion, twenty-one million, ten thousand, one".