213021330110220 has 96 divisors (see below), whose sum is σ = 598133256215040. Its totient is φ = 56646310443520.

The previous prime is 213021330110167. The next prime is 213021330110261. The reversal of 213021330110220 is 22011033120312.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1946536624 + ... + 1946646056.

It is an arithmetic number, because the mean of its divisors is an integer number (6230554752240).

Almost surely, 2^{213021330110220} is an apocalyptic number.

213021330110220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213021330110220 is an abundant number, since it is smaller than the sum of its proper divisors (385111926104820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213021330110220 is a wasteful number, since it uses less digits than its factorization.

213021330110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200175 (or 200173 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213021330110220 its reverse (22011033120312), we get a palindrome (235032363230532).

The spelling of 213021330110220 in words is "two hundred thirteen trillion, twenty-one billion, three hundred thirty million, one hundred ten thousand, two hundred twenty".