221103303440311 has 8 divisors (see below), whose sum is σ = 225819058083840. Its totient is φ = 216388025006808.

The previous prime is 221103303440251. The next prime is 221103303440329. The reversal of 221103303440311 is 113044303301122.

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 221103303440311 - 2³¹ = 221101155956663 is a prime.

It is a super-3 number, since 3×221103303440311³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221103303440311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221103300440311) 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, 118113931 + ... + 119971276.

It is an arithmetic number, because the mean of its divisors is an integer number (28227382260480).

Almost surely, 2^{221103303440311} is an apocalyptic number.

221103303440311 is a deficient number, since it is larger than the sum of its proper divisors (4715754643529).

221103303440311 is a wasteful number, since it uses less digits than its factorization.

221103303440311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238105013.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 221103303440311 its reverse (113044303301122), we get a palindrome (334147606741433).

The spelling of 221103303440311 in words is "two hundred twenty-one trillion, one hundred three billion, three hundred three million, four hundred forty thousand, three hundred eleven".