210200122221 has 16 divisors (see below), whose sum is σ = 281094390720. Its totient is φ = 139720246400.

The previous prime is 210200122211. The next prime is 210200122247. The reversal of 210200122221 is 122221002012.

It is a cyclic number.

It is not a de Polignac number, because 210200122221 - 2³⁴ = 193020253037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210200122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210200122211) 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, 1310041 + ... + 1461713.

It is an arithmetic number, because the mean of its divisors is an integer number (17568399420).

Almost surely, 2^210200122221 is an apocalyptic number.

It is an amenable number.

210200122221 is a deficient number, since it is larger than the sum of its proper divisors (70894268499).

210200122221 is a wasteful number, since it uses less digits than its factorization.

210200122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153036.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 210200122221 its reverse (122221002012), we get a palindrome (332421124233).

The spelling of 210200122221 in words is "two hundred ten billion, two hundred million, one hundred twenty-two thousand, two hundred twenty-one".