210200221021211 has 4 divisors (see below), whose sum is σ = 213762936631800. Its totient is φ = 206637505410624.

The previous prime is 210200221021201. The next prime is 210200221021213. The reversal of 210200221021211 is 112120122002012.

210200221021211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210200221021211 - 2²⁶ = 210200153912347 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 210200221021211.

It is not an unprimeable number, because it can be changed into a prime (210200221021213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1781357805206 + ... + 1781357805323.

It is an arithmetic number, because the mean of its divisors is an integer number (53440734157950).

Almost surely, 2^{210200221021211} is an apocalyptic number.

210200221021211 is a deficient number, since it is larger than the sum of its proper divisors (3562715610589).

210200221021211 is an equidigital number, since it uses as much as digits as its factorization.

210200221021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3562715610588.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210200221021211 its reverse (112120122002012), we get a palindrome (322320343023223).

The spelling of 210200221021211 in words is "two hundred ten trillion, two hundred billion, two hundred twenty-one million, twenty-one thousand, two hundred eleven".