210021002201005 has 8 divisors (see below), whose sum is σ = 252122472129024. Its totient is φ = 167951955435600.

The previous prime is 210021002200967. The next prime is 210021002201027. The reversal of 210021002201005 is 500102200120012.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-210021002201005 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 210021002201005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8105776401 + ... + 8105802310.

It is an arithmetic number, because the mean of its divisors is an integer number (31515309016128).

Almost surely, 2^{210021002201005} is an apocalyptic number.

It is an amenable number.

210021002201005 is a deficient number, since it is larger than the sum of its proper divisors (42101469928019).

210021002201005 is a wasteful number, since it uses less digits than its factorization.

210021002201005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16211581307.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 210021002201005 its reverse (500102200120012), we get a palindrome (710123202321017).

The spelling of 210021002201005 in words is "two hundred ten trillion, twenty-one billion, two million, two hundred one thousand, five".