210001102001 has 4 divisors (see below), whose sum is σ = 221053791600. Its totient is φ = 198948412404.

The previous prime is 210001101967. The next prime is 210001102013. The reversal of 210001102001 is 100201100012.

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 a cyclic number.

It is not a de Polignac number, because 210001102001 - 2¹⁰ = 210001100977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210001102001.

It is not an unprimeable number, because it can be changed into a prime (210001102021) 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, 5526344771 + ... + 5526344808.

It is an arithmetic number, because the mean of its divisors is an integer number (55263447900).

Almost surely, 2^210001102001 is an apocalyptic number.

It is an amenable number.

210001102001 is a deficient number, since it is larger than the sum of its proper divisors (11052689599).

210001102001 is a wasteful number, since it uses less digits than its factorization.

210001102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11052689598.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 210001102001 its reverse (100201100012), we get a palindrome (310202202013).

The spelling of 210001102001 in words is "two hundred ten billion, one million, one hundred two thousand, one".