210021002200987 has 8 divisors (see below), whose sum is σ = 210780199377216. Its totient is φ = 209261925261192.

The previous prime is 210021002200967. The next prime is 210021002201027. The reversal of 210021002200987 is 789002200120012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210021002200987 - 2²⁷ = 210020867983259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210021002200937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26558593 + ... + 33546994.

It is an arithmetic number, because the mean of its divisors is an integer number (26347524922152).

Almost surely, 2^{210021002200987} is an apocalyptic number.

210021002200987 is a deficient number, since it is larger than the sum of its proper divisors (759197176229).

210021002200987 is a wasteful number, since it uses less digits than its factorization.

210021002200987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60118217.

The product of its (nonzero) digits is 8064, while the sum is 34.

Adding to 210021002200987 its reverse (789002200120012), we get a palindrome (999023202320999).

The spelling of 210021002200987 in words is "two hundred ten trillion, twenty-one billion, two million, two hundred thousand, nine hundred eighty-seven".