221100100000110 has 48 divisors (see below), whose sum is σ = 574992443188800. Its totient is φ = 58946469416640.

The previous prime is 221100100000099. The next prime is 221100100000133. The reversal of 221100100000110 is 11000001001122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 221100100000092 and 221100100000101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 282049126 + ... + 282831945.

It is an arithmetic number, because the mean of its divisors is an integer number (11979009233100).

Almost surely, 2^{221100100000110} is an apocalyptic number.

221100100000110 is an abundant number, since it is smaller than the sum of its proper divisors (353892343188690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221100100000110 is a wasteful number, since it uses less digits than its factorization.

221100100000110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564885433 (or 564885430 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 221100100000110 its reverse (11000001001122), we get a palindrome (232100101001232).

The spelling of 221100100000110 in words is "two hundred twenty-one trillion, one hundred billion, one hundred million, one hundred ten", and thus it is an aban number.