220221201121210 has 16 divisors (see below), whose sum is σ = 396761496741792. Its totient is φ = 88007739398800.

The previous prime is 220221201121189. The next prime is 220221201121213. The reversal of 220221201121210 is 12121102122022.

It is a super-2 number, since 2×220221201121210² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220221201121213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10092619756 + ... + 10092641575.

It is an arithmetic number, because the mean of its divisors is an integer number (24797593546362).

Almost surely, 2^{220221201121210} is an apocalyptic number.

220221201121210 is a deficient number, since it is larger than the sum of its proper divisors (176540295620582).

220221201121210 is a wasteful number, since it uses less digits than its factorization.

220221201121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20185262429.

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

Adding to 220221201121210 its reverse (12121102122022), we get a palindrome (232342303243232).

The spelling of 220221201121210 in words is "two hundred twenty trillion, two hundred twenty-one billion, two hundred one million, one hundred twenty-one thousand, two hundred ten".