221311121343103 has 8 divisors (see below), whose sum is σ = 241723668168576. Its totient is φ = 200947466847000.

The previous prime is 221311121343073. The next prime is 221311121343107. The reversal of 221311121343103 is 301343121113122.

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 221311121343103 - 2⁵ = 221311121343071 is a prime.

It is a super-2 number, since 2×221311121343103² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221311121343107) 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, 12223072873 + ... + 12223090978.

It is an arithmetic number, because the mean of its divisors is an integer number (30215458521072).

Almost surely, 2^{221311121343103} is an apocalyptic number.

221311121343103 is a deficient number, since it is larger than the sum of its proper divisors (20412546825473).

221311121343103 is a wasteful number, since it uses less digits than its factorization.

221311121343103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24446164685.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 221311121343103 its reverse (301343121113122), we get a palindrome (522654242456225).

The spelling of 221311121343103 in words is "two hundred twenty-one trillion, three hundred eleven billion, one hundred twenty-one million, three hundred forty-three thousand, one hundred three".