213020221233210 has 32 divisors (see below), whose sum is σ = 533476727959680. Its totient is φ = 54335592662208.

The previous prime is 213020221233139. The next prime is 213020221233247. The reversal of 213020221233210 is 12332122020312.

It is a super-2 number, since 2×213020221233210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154362478465 + ... + 154362479844.

It is an arithmetic number, because the mean of its divisors is an integer number (16671147748740).

Almost surely, 2^{213020221233210} is an apocalyptic number.

213020221233210 is an abundant number, since it is smaller than the sum of its proper divisors (320456506726470).

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

213020221233210 is a wasteful number, since it uses less digits than its factorization.

213020221233210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308724958342.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 213020221233210 its reverse (12332122020312), we get a palindrome (225352343253522).

The spelling of 213020221233210 in words is "two hundred thirteen trillion, twenty billion, two hundred twenty-one million, two hundred thirty-three thousand, two hundred ten".