221210031043 has 8 divisors (see below), whose sum is σ = 229858067456. Its totient is φ = 212656509000.

The previous prime is 221210031017. The next prime is 221210031067. The reversal of 221210031043 is 340130012122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221210031043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221210031043.

It is not an unprimeable number, because it can be changed into a prime (221210037043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23623821 + ... + 23633182.

It is an arithmetic number, because the mean of its divisors is an integer number (28732258432).

Almost surely, 2^221210031043 is an apocalyptic number.

221210031043 is a deficient number, since it is larger than the sum of its proper divisors (8648036413).

221210031043 is a wasteful number, since it uses less digits than its factorization.

221210031043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47257185.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 221210031043 its reverse (340130012122), we get a palindrome (561340043165).

The spelling of 221210031043 in words is "two hundred twenty-one billion, two hundred ten million, thirty-one thousand, forty-three".