210001000001 has 16 divisors (see below), whose sum is σ = 231437461248. Its totient is φ = 189336000000.

The previous prime is 210000999953. The next prime is 210001000021. The reversal of 210001000001 is 100000100012.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210001000001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210001000021) 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, 50000 + ... + 650001.

It is an arithmetic number, because the mean of its divisors is an integer number (14464841328).

Almost surely, 2^210001000001 is an apocalyptic number.

It is an amenable number.

210001000001 is a deficient number, since it is larger than the sum of its proper divisors (21436461247).

210001000001 is a wasteful number, since it uses less digits than its factorization.

210001000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700552.

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 210001000001 its reverse (100000100012), we get a palindrome (310001100013).

The spelling of 210001000001 in words is "two hundred ten billion, one million, one", and thus it is an aban number.