221341342503 has 8 divisors (see below), whose sum is σ = 295202948848. Its totient is φ = 147520315584.

The previous prime is 221341342493. The next prime is 221341342511. The reversal of 221341342503 is 305243143122.

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

It is not a de Polignac number, because 221341342503 - 2¹³ = 221341334311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221341342543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10132126 + ... + 10153947.

It is an arithmetic number, because the mean of its divisors is an integer number (36900368606).

Almost surely, 2^221341342503 is an apocalyptic number.

221341342503 is a deficient number, since it is larger than the sum of its proper divisors (73861606345).

221341342503 is a wasteful number, since it uses less digits than its factorization.

221341342503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20289713.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 221341342503 its reverse (305243143122), we get a palindrome (526584485625).

The spelling of 221341342503 in words is "two hundred twenty-one billion, three hundred forty-one million, three hundred forty-two thousand, five hundred three".