210002010001 has 4 divisors (see below), whose sum is σ = 240002297152. Its totient is φ = 180001722852.

The previous prime is 210002009983. The next prime is 210002010061. The reversal of 210002010001 is 100010200012.

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.

It is not a de Polignac number, because 210002010001 - 2⁵ = 210002009969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7), and also a Moran number because the ratio is a prime number: 30000287143 = 210002010001 / (2 + 1 + 0 + 0 + 0 + 2 + 0 + 1 + 0 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210002010061) 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, 15000143565 + ... + 15000143578.

It is an arithmetic number, because the mean of its divisors is an integer number (60000574288).

Almost surely, 2^210002010001 is an apocalyptic number.

It is an amenable number.

210002010001 is a deficient number, since it is larger than the sum of its proper divisors (30000287151).

210002010001 is an equidigital number, since it uses as much as digits as its factorization.

210002010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30000287150.

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

Adding to 210002010001 its reverse (100010200012), we get a palindrome (310012210013).

The spelling of 210002010001 in words is "two hundred ten billion, two million, ten thousand, one".