221001013321103 has 8 divisors (see below), whose sum is σ = 221114353436928. Its totient is φ = 220887674554144.

The previous prime is 221001013321087. The next prime is 221001013321111. The reversal of 221001013321103 is 301123310100122.

It is a happy number.

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 221001013321103 - 2⁴ = 221001013321087 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 (221001013311103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 599633426 + ... + 600001872.

It is an arithmetic number, because the mean of its divisors is an integer number (27639294179616).

Almost surely, 2^{221001013321103} is an apocalyptic number.

221001013321103 is a deficient number, since it is larger than the sum of its proper divisors (113340115825).

221001013321103 is a wasteful number, since it uses less digits than its factorization.

221001013321103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674433.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 221001013321103 its reverse (301123310100122), we get a palindrome (522124323421225).

The spelling of 221001013321103 in words is "two hundred twenty-one trillion, one billion, thirteen million, three hundred twenty-one thousand, one hundred three".