221232011103 has 16 divisors (see below), whose sum is σ = 327825640800. Its totient is φ = 147454476480.

The previous prime is 221232011089. The next prime is 221232011129. The reversal of 221232011103 is 301110232122.

It is not a de Polignac number, because 221232011103 - 2⁹ = 221232010591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221232011153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810168 + ... + 1048253.

It is an arithmetic number, because the mean of its divisors is an integer number (20489102550).

Almost surely, 2^221232011103 is an apocalyptic number.

221232011103 is a deficient number, since it is larger than the sum of its proper divisors (106593629697).

221232011103 is a wasteful number, since it uses less digits than its factorization.

221232011103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862839 (or 1862833 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 221232011103 its reverse (301110232122), we get a palindrome (522342243225).

The spelling of 221232011103 in words is "two hundred twenty-one billion, two hundred thirty-two million, eleven thousand, one hundred three".