220221020021210 has 64 divisors (see below), whose sum is σ = 430963070154624. Its totient is φ = 80536843833600.

The previous prime is 220221020021203. The next prime is 220221020021251. The reversal of 220221020021210 is 12120020122022.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70397780 + ... + 73459440.

It is an arithmetic number, because the mean of its divisors is an integer number (6733797971166).

Almost surely, 2^{220221020021210} is an apocalyptic number.

220221020021210 is a deficient number, since it is larger than the sum of its proper divisors (210742050133414).

220221020021210 is a wasteful number, since it uses less digits than its factorization.

220221020021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066959.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220221020021210 its reverse (12120020122022), we get a palindrome (232341040143232).

The spelling of 220221020021210 in words is "two hundred twenty trillion, two hundred twenty-one billion, twenty million, twenty-one thousand, two hundred ten".