221103213301 has 8 divisors (see below), whose sum is σ = 234498633984. Its totient is φ = 208022979120.

The previous prime is 221103213283. The next prime is 221103213311. The reversal of 221103213301 is 103312301122.

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 221103213301 - 2¹⁹ = 221102689013 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 (221103213311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78795181 + ... + 78797986.

It is an arithmetic number, because the mean of its divisors is an integer number (29312329248).

Almost surely, 2^221103213301 is an apocalyptic number.

It is an amenable number.

221103213301 is a deficient number, since it is larger than the sum of its proper divisors (13395420683).

221103213301 is a wasteful number, since it uses less digits than its factorization.

221103213301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157593251.

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

Adding to 221103213301 its reverse (103312301122), we get a palindrome (324415514423).

The spelling of 221103213301 in words is "two hundred twenty-one billion, one hundred three million, two hundred thirteen thousand, three hundred one".