220221120020011 has 64 divisors (see below), whose sum is σ = 254434727926656. Its totient is φ = 188830808064000.

The previous prime is 220221120020003. The next prime is 220221120020021. The reversal of 220221120020011 is 110020021122022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 220221120020011 - 2³ = 220221120020003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220221120020021) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 410843271 + ... + 411378943.

It is an arithmetic number, because the mean of its divisors is an integer number (3975542623854).

Almost surely, 2^{220221120020011} is an apocalyptic number.

220221120020011 is a deficient number, since it is larger than the sum of its proper divisors (34213607906645).

220221120020011 is a wasteful number, since it uses less digits than its factorization.

220221120020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536032.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220221120020011 its reverse (110020021122022), we get a palindrome (330241141142033).

It can be divided in two parts, 2202211 and 20020011, that added together give a palindrome (22222222).

The spelling of 220221120020011 in words is "two hundred twenty trillion, two hundred twenty-one billion, one hundred twenty million, twenty thousand, eleven".