210221001110213 has 32 divisors (see below), whose sum is σ = 236623092652800. Its totient is φ = 185784781248000.

The previous prime is 210221001110191. The next prime is 210221001110233. The reversal of 210221001110213 is 312011100122012.

It is a happy number.

210221001110213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210221001110213 - 2¹² = 210221001106117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210221001110191 and 210221001110200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210221001110233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47867063 + ... + 52073963.

It is an arithmetic number, because the mean of its divisors is an integer number (7394471645400).

Almost surely, 2^{210221001110213} is an apocalyptic number.

210221001110213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

210221001110213 is a deficient number, since it is larger than the sum of its proper divisors (26402091542587).

210221001110213 is a wasteful number, since it uses less digits than its factorization.

210221001110213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4209773.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 210221001110213 its reverse (312011100122012), we get a palindrome (522232101232225).

The spelling of 210221001110213 in words is "two hundred ten trillion, two hundred twenty-one billion, one million, one hundred ten thousand, two hundred thirteen".