221030043140 has 12 divisors (see below), whose sum is σ = 464163090636. Its totient is φ = 88412017248.

The previous prime is 221030043049. The next prime is 221030043151. The reversal of 221030043140 is 41340030122.

221030043140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 85358634244 + 135671408896 = 292162^2 + 368336^2 .

It is a super-3 number, since 3×221030043140³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 11051502157 = 221030043140 / (2 + 2 + 1 + 0 + 3 + 0 + 0 + 4 + 3 + 1 + 4 + 0).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5525751059 + ... + 5525751098.

It is an arithmetic number, because the mean of its divisors is an integer number (38680257553).

Almost surely, 2^221030043140 is an apocalyptic number.

221030043140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221030043140 is an abundant number, since it is smaller than the sum of its proper divisors (243133047496).

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

221030043140 is a wasteful number, since it uses less digits than its factorization.

221030043140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11051502166 (or 11051502164 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 221030043140 its reverse (41340030122), we get a palindrome (262370073262).

The spelling of 221030043140 in words is "two hundred twenty-one billion, thirty million, forty-three thousand, one hundred forty".