221000044120110 has 96 divisors (see below), whose sum is σ = 588044564490240. Its totient is φ = 57554807857344.

The previous prime is 221000044120087. The next prime is 221000044120123. The reversal of 221000044120110 is 11021440000122.

221000044120110 is a `hidden beast` number, since 2 + 2 + 10 + 0 + 0 + 0 + 441 + 201 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23929251 + ... + 31852929.

It is an arithmetic number, because the mean of its divisors is an integer number (6125464213440).

Almost surely, 2^{221000044120110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221000044120110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294022282245120).

221000044120110 is an abundant number, since it is smaller than the sum of its proper divisors (367044520370130).

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

221000044120110 is a wasteful number, since it uses less digits than its factorization.

221000044120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7930942 (or 7930939 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 221000044120110 its reverse (11021440000122), we get a palindrome (232021484120232).

The spelling of 221000044120110 in words is "two hundred twenty-one trillion, forty-four million, one hundred twenty thousand, one hundred ten".