220111102212101 has 8 divisors (see below), whose sum is σ = 225205275711360. Its totient is φ = 215034051986208.

The previous prime is 220111102212083. The next prime is 220111102212103. The reversal of 220111102212101 is 101212201111022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220111102212101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220111102212101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220111102212103) 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 7 ways as a sum of consecutive naturals, for example, 4280792336 + ... + 4280843753.

It is an arithmetic number, because the mean of its divisors is an integer number (28150659463920).

Almost surely, 2^{220111102212101} is an apocalyptic number.

It is an amenable number.

220111102212101 is a deficient number, since it is larger than the sum of its proper divisors (5094173499259).

220111102212101 is an equidigital number, since it uses as much as digits as its factorization.

220111102212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8561636683.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 220111102212101 its reverse (101212201111022), we get a palindrome (321323303323123).

The spelling of 220111102212101 in words is "two hundred twenty trillion, one hundred eleven billion, one hundred two million, two hundred twelve thousand, one hundred one".