220221212211011 has 16 divisors (see below), whose sum is σ = 255205653964800. Its totient is φ = 187924163335200.

The previous prime is 220221212210963. The next prime is 220221212211019. The reversal of 220221212211011 is 110112212122022.

It is a cyclic number.

It is not a de Polignac number, because 220221212211011 - 2⁴⁶ = 149852468033347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220221212211019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4833417635 + ... + 4833463196.

It is an arithmetic number, because the mean of its divisors is an integer number (15950353372800).

Almost surely, 2^{220221212211011} is an apocalyptic number.

220221212211011 is a deficient number, since it is larger than the sum of its proper divisors (34984441753789).

220221212211011 is a wasteful number, since it uses less digits than its factorization.

220221212211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9666880970.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 220221212211011 its reverse (110112212122022), we get a palindrome (330333424333033).

The spelling of 220221212211011 in words is "two hundred twenty trillion, two hundred twenty-one billion, two hundred twelve million, two hundred eleven thousand, eleven".