221242030214 has 4 divisors (see below), whose sum is σ = 331863045324. Its totient is φ = 110621015106.

The previous prime is 221242030189. The next prime is 221242030271. The reversal of 221242030214 is 412030242122.

221242030214 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 221242030214.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 55310507552 + ... + 55310507555.

It is an arithmetic number, because the mean of its divisors is an integer number (82965761331).

Almost surely, 2^221242030214 is an apocalyptic number.

221242030214 is a deficient number, since it is larger than the sum of its proper divisors (110621015110).

221242030214 is a wasteful number, since it uses less digits than its factorization.

221242030214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110621015109.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 221242030214 its reverse (412030242122), we get a palindrome (633272272336).

The spelling of 221242030214 in words is "two hundred twenty-one billion, two hundred forty-two million, thirty thousand, two hundred fourteen".