210200200200021 has 8 divisors (see below), whose sum is σ = 280270961107200. Its totient is φ = 140131453046432.

The previous prime is 210200200200017. The next prime is 210200200200049. The reversal of 210200200200021 is 120002002002012.

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 210200200200021 - 2² = 210200200200017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210200200200821) 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, 503194821 + ... + 503612378.

It is an arithmetic number, because the mean of its divisors is an integer number (35033870138400).

Almost surely, 2^{210200200200021} is an apocalyptic number.

It is an amenable number.

210200200200021 is a deficient number, since it is larger than the sum of its proper divisors (70070760907179).

210200200200021 is a wasteful number, since it uses less digits than its factorization.

210200200200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006876795.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 210200200200021 its reverse (120002002002012), we get a palindrome (330202202202033).

The spelling of 210200200200021 in words is "two hundred ten trillion, two hundred billion, two hundred million, two hundred thousand, twenty-one".