221103013123 has 8 divisors (see below), whose sum is σ = 224859548160. Its totient is φ = 217346779080.

The previous prime is 221103013121. The next prime is 221103013133. The reversal of 221103013123 is 321310301122.

221103013123 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 221103013123 - 2¹ = 221103013121 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 221103013123.

It is not an unprimeable number, because it can be changed into a prime (221103013121) 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, 1799686 + ... + 1918612.

It is an arithmetic number, because the mean of its divisors is an integer number (28107443520).

Almost surely, 2^221103013123 is an apocalyptic number.

221103013123 is a deficient number, since it is larger than the sum of its proper divisors (3756535037).

221103013123 is a wasteful number, since it uses less digits than its factorization.

221103013123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150497.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 221103013123 its reverse (321310301122), we get a palindrome (542413314245).

The spelling of 221103013123 in words is "two hundred twenty-one billion, one hundred three million, thirteen thousand, one hundred twenty-three".