210001010001 has 16 divisors (see below), whose sum is σ = 287585669568. Its totient is φ = 136208952000.

The previous prime is 210001009997. The next prime is 210001010029. The reversal of 210001010001 is 100010100012.

It is not a de Polignac number, because 210001010001 - 2² = 210001009997 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (210001010101) 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, 2324526 + ... + 2413176.

It is an arithmetic number, because the mean of its divisors is an integer number (17974104348).

Almost surely, 2^210001010001 is an apocalyptic number.

It is an amenable number.

210001010001 is a deficient number, since it is larger than the sum of its proper divisors (77584659567).

210001010001 is a wasteful number, since it uses less digits than its factorization.

210001010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110032.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 210001010001 its reverse (100010100012), we get a palindrome (310011110013).

It can be divided in two parts, 2 and 10001010001, that multiplied together give a palindrome (20002020002).

The spelling of 210001010001 in words is "two hundred ten billion, one million, ten thousand, one".