221213042103 has 8 divisors (see below), whose sum is σ = 295079138928. Its totient is φ = 147411153344.

The previous prime is 221213042101. The next prime is 221213042123. The reversal of 221213042103 is 301240312122.

221213042103 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 cyclic number.

It is not a de Polignac number, because 221213042103 - 2¹ = 221213042101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221213042103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221213042101) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16043976 + ... + 16057757.

It is an arithmetic number, because the mean of its divisors is an integer number (36884892366).

Almost surely, 2^221213042103 is an apocalyptic number.

221213042103 is a deficient number, since it is larger than the sum of its proper divisors (73866096825).

221213042103 is a wasteful number, since it uses less digits than its factorization.

221213042103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32104033.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 221213042103 its reverse (301240312122), we get a palindrome (522453354225).

The spelling of 221213042103 in words is "two hundred twenty-one billion, two hundred thirteen million, forty-two thousand, one hundred three".