210200200221 has 16 divisors (see below), whose sum is σ = 305833494528. Its totient is φ = 127357498800.

The previous prime is 210200200193. The next prime is 210200200261. The reversal of 210200200221 is 122002002012.

It is not a de Polignac number, because 210200200221 - 2²⁷ = 210065982493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210200200197 and 210200200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210200200261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 797101 + ... + 1027506.

It is an arithmetic number, because the mean of its divisors is an integer number (19114593408).

Almost surely, 2^210200200221 is an apocalyptic number.

It is an amenable number.

210200200221 is a deficient number, since it is larger than the sum of its proper divisors (95633294307).

210200200221 is a wasteful number, since it uses less digits than its factorization.

210200200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828112.

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

Adding to 210200200221 its reverse (122002002012), we get a palindrome (332202202233).

The spelling of 210200200221 in words is "two hundred ten billion, two hundred million, two hundred thousand, two hundred twenty-one".