221130443340 has 96 divisors (see below), whose sum is σ = 688135633920. Its totient is φ = 58953182400.

The previous prime is 221130443333. The next prime is 221130443371. The reversal of 221130443340 is 43344031122.

221130443340 is a `hidden beast` number, since 2 + 2 + 11 + 304 + 4 + 3 + 340 = 666.

221130443340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2170135 + ... + 2269745.

It is an arithmetic number, because the mean of its divisors is an integer number (7168079520).

Almost surely, 2^221130443340 is an apocalyptic number.

221130443340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221130443340 is an abundant number, since it is smaller than the sum of its proper divisors (467005190580).

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

221130443340 is a wasteful number, since it uses less digits than its factorization.

221130443340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103740 (or 103732 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 221130443340 its reverse (43344031122), we get a palindrome (264474474462).

The spelling of 221130443340 in words is "two hundred twenty-one billion, one hundred thirty million, four hundred forty-three thousand, three hundred forty".