9800210001 has 16 divisors (see below), whose sum is σ = 13641989760. Its totient is φ = 6246240000.

The previous prime is 9800209987. The next prime is 9800210009. The reversal of 9800210001 is 1000120089.

9800210001 is a nontrivial binomial coefficient, being equal to C(140002, 2).

It is not a de Polignac number, because 9800210001 - 2¹¹ = 9800207953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9800210001.

It is not an unprimeable number, because it can be changed into a prime (9800210009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105001 + ... + 175001.

It is an arithmetic number, because the mean of its divisors is an integer number (852624360).

Almost surely, 2^9800210001 is an apocalyptic number.

9800210001 is the 140001-st triangular number and also the 70001-st hexagonal number.

It is an amenable number.

9800210001 is a deficient number, since it is larger than the sum of its proper divisors (3841779759).

9800210001 is a wasteful number, since it uses less digits than its factorization.

9800210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72056.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 9800210001 is about 98996.0100256571. The cubic root of 9800210001 is about 2139.9902466292.

The spelling of 9800210001 in words is "nine billion, eight hundred million, two hundred ten thousand, one".