221103014243 has 4 divisors (see below), whose sum is σ = 221103990168. Its totient is φ = 221102038320.

The previous prime is 221103014233. The next prime is 221103014257. The reversal of 221103014243 is 342410301122.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 221103014243 - 2⁶ = 221103014179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221103014233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48383 + ... + 666743.

It is an arithmetic number, because the mean of its divisors is an integer number (55275997542).

Almost surely, 2^221103014243 is an apocalyptic number.

221103014243 is a deficient number, since it is larger than the sum of its proper divisors (975925).

221103014243 is an equidigital number, since it uses as much as digits as its factorization.

221103014243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975924.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 221103014243 its reverse (342410301122), we get a palindrome (563513315365).

The spelling of 221103014243 in words is "two hundred twenty-one billion, one hundred three million, fourteen thousand, two hundred forty-three".