221401303103 has 8 divisors (see below), whose sum is σ = 226839683616. Its totient is φ = 215964748800.

The previous prime is 221401303093. The next prime is 221401303129. The reversal of 221401303103 is 301303104122.

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 221401303103 - 2⁸ = 221401302847 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 (221401303153) 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, 209483 + ... + 697628.

It is an arithmetic number, because the mean of its divisors is an integer number (28354960452).

Almost surely, 2^221401303103 is an apocalyptic number.

221401303103 is a deficient number, since it is larger than the sum of its proper divisors (5438380513).

221401303103 is an equidigital number, since it uses as much as digits as its factorization.

221401303103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913105.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 221401303103 its reverse (301303104122), we get a palindrome (522704407225).

The spelling of 221401303103 in words is "two hundred twenty-one billion, four hundred one million, three hundred three thousand, one hundred three".