221413140206 has 8 divisors (see below), whose sum is σ = 332121715320. Its totient is φ = 110705901768.

The previous prime is 221413140197. The next prime is 221413140257. The reversal of 221413140206 is 602041314122.

221413140206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 423725 + ... + 788903.

It is an arithmetic number, because the mean of its divisors is an integer number (41515214415).

Almost surely, 2^221413140206 is an apocalyptic number.

221413140206 is a deficient number, since it is larger than the sum of its proper divisors (110708575114).

221413140206 is a wasteful number, since it uses less digits than its factorization.

221413140206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668338.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 221413140206 its reverse (602041314122), we get a palindrome (823454454328).

The spelling of 221413140206 in words is "two hundred twenty-one billion, four hundred thirteen million, one hundred forty thousand, two hundred six".