111100221220102 has 32 divisors (see below), whose sum is σ = 179923435289280. Its totient is φ = 51293803545600.

The previous prime is 111100221220097. The next prime is 111100221220103. The reversal of 111100221220102 is 201022122001111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100221220103) 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, 560158 + ... + 14916910.

It is an arithmetic number, because the mean of its divisors is an integer number (5622607352790).

Almost surely, 2^{111100221220102} is an apocalyptic number.

111100221220102 is a deficient number, since it is larger than the sum of its proper divisors (68823214069178).

111100221220102 is a wasteful number, since it uses less digits than its factorization.

111100221220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14362608.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111100221220102 its reverse (201022122001111), we get a palindrome (312122343221213).

The spelling of 111100221220102 in words is "one hundred eleven trillion, one hundred billion, two hundred twenty-one million, two hundred twenty thousand, one hundred two".