210210100001 has 16 divisors (see below), whose sum is σ = 231912797760. Its totient is φ = 188943406080.

The previous prime is 210210099991. The next prime is 210210100013. The reversal of 210210100001 is 100001012012.

It is not a de Polignac number, because 210210100001 - 2²² = 210205905697 is a prime.

It is a super-2 number, since 2×210210100001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (210210100021) 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, 990605 + ... + 1183941.

It is an arithmetic number, because the mean of its divisors is an integer number (14494549860).

Almost surely, 2^210210100001 is an apocalyptic number.

It is an amenable number.

210210100001 is a deficient number, since it is larger than the sum of its proper divisors (21702697759).

210210100001 is a wasteful number, since it uses less digits than its factorization.

210210100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194464.

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

Adding to 210210100001 its reverse (100001012012), we get a palindrome (310211112013).

The spelling of 210210100001 in words is "two hundred ten billion, two hundred ten million, one hundred thousand, one".