220221211210210 has 64 divisors (see below), whose sum is σ = 453571270435584. Its totient is φ = 75413669760000.

The previous prime is 220221211210183. The next prime is 220221211210303. The reversal of 220221211210210 is 12012112122022.

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, 207620974 + ... + 208678966.

It is an arithmetic number, because the mean of its divisors is an integer number (7087051100556).

Almost surely, 2^{220221211210210} is an apocalyptic number.

220221211210210 is an abundant number, since it is smaller than the sum of its proper divisors (233350059225374).

220221211210210 is a wasteful number, since it uses less digits than its factorization.

220221211210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061579.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220221211210210 its reverse (12012112122022), we get a palindrome (232233323332232).

The spelling of 220221211210210 in words is "two hundred twenty trillion, two hundred twenty-one billion, two hundred eleven million, two hundred ten thousand, two hundred ten".