220111221101 has 8 divisors (see below), whose sum is σ = 232495574784. Its totient is φ = 208057116960.

The previous prime is 220111221089. The next prime is 220111221107. The reversal of 220111221101 is 101122111022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220111221101 - 2⁶ = 220111221037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220111221107) 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 7 ways as a sum of consecutive naturals, for example, 82561016 + ... + 82563681.

It is an arithmetic number, because the mean of its divisors is an integer number (29061946848).

Almost surely, 2^220111221101 is an apocalyptic number.

It is an amenable number.

220111221101 is a deficient number, since it is larger than the sum of its proper divisors (12384353683).

220111221101 is a wasteful number, since it uses less digits than its factorization.

220111221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165124771.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 220111221101 its reverse (101122111022), we get a palindrome (321233332123).

The spelling of 220111221101 in words is "two hundred twenty billion, one hundred eleven million, two hundred twenty-one thousand, one hundred one".