220111002211111 has 16 divisors (see below), whose sum is σ = 241090736574240. Its totient is φ = 199293103226880.

The previous prime is 220111002211109. The next prime is 220111002211151. The reversal of 220111002211111 is 111112200111022.

It is a cyclic number.

It is not a de Polignac number, because 220111002211111 - 2¹ = 220111002211109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220111002211151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13604875 + ... + 25006291.

It is an arithmetic number, because the mean of its divisors is an integer number (15068171035890).

Almost surely, 2^{220111002211111} is an apocalyptic number.

220111002211111 is a deficient number, since it is larger than the sum of its proper divisors (20979734363129).

220111002211111 is a wasteful number, since it uses less digits than its factorization.

220111002211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11408514.

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

Adding to 220111002211111 its reverse (111112200111022), we get a palindrome (331223202322133).

The spelling of 220111002211111 in words is "two hundred twenty trillion, one hundred eleven billion, two million, two hundred eleven thousand, one hundred eleven".