210100202001 has 48 divisors (see below), whose sum is σ = 324579129600.
Its totient is φ = 134303145120.
The previous prime is 210100201991. The next prime is 210100202009. The reversal of 210100202001 is 100202001012.
Adding to 210100202001 its reverse (100202001012), we get a palindrome (310302203013).
It is not a de Polignac number, because 210100202001 - 27 = 210100201873 is a prime.
It is a super-2 number, since 2×2101002020012 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (210100202009) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2791080 + ... + 2865366.
It is an arithmetic number, because the mean of its divisors is an integer number (6762065200).
Almost surely, 2210100202001 is an apocalyptic number.
It is an amenable number.
210100202001 is a deficient number, since it is larger than the sum of its proper divisors (114478927599).
210100202001 is a wasteful number, since it uses less digits than its factorization.
210100202001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74467 (or 74430 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The spelling of 210100202001 in words is "two hundred ten billion, one hundred million, two hundred two thousand, one".