221113231332203 has 6 divisors (see below), whose sum is σ = 257213350733436. Its totient is φ = 189525626856132.

The previous prime is 221113231332197. The next prime is 221113231332223. The reversal of 221113231332203 is 302233132311122.

It is a de Polignac number, because none of the positive numbers 2^k-221113231332203 is a prime.

It is a super-2 number, since 2×221113231332203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221113231332223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2256257462525 + ... + 2256257462622.

It is an arithmetic number, because the mean of its divisors is an integer number (42868891788906).

Almost surely, 2^{221113231332203} is an apocalyptic number.

221113231332203 is a deficient number, since it is larger than the sum of its proper divisors (36100119401233).

221113231332203 is an equidigital number, since it uses as much as digits as its factorization.

221113231332203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4512514925161 (or 4512514925154 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 221113231332203 its reverse (302233132311122), we get a palindrome (523346363643325).

The spelling of 221113231332203 in words is "two hundred twenty-one trillion, one hundred thirteen billion, two hundred thirty-one million, three hundred thirty-two thousand, two hundred three".