12221100100233 has 24 divisors (see below), whose sum is σ = 18918052340928. Its totient is φ = 7582539187872.

The previous prime is 12221100100219. The next prime is 12221100100301. The reversal of 12221100100233 is 33200100112221.

12221100100233 is a `hidden beast` number, since 1 + 222 + 110 + 0 + 100 + 233 = 666.

It is not a de Polignac number, because 12221100100233 - 2⁸ = 12221100099977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12221100100333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 797818435 + ... + 797833752.

It is an arithmetic number, because the mean of its divisors is an integer number (788252180872).

Almost surely, 2^{12221100100233} is an apocalyptic number.

It is an amenable number.

12221100100233 is a deficient number, since it is larger than the sum of its proper divisors (6696952240695).

12221100100233 is a wasteful number, since it uses less digits than its factorization.

12221100100233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595652253 (or 1595652250 counting only the distinct ones).

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

Adding to 12221100100233 its reverse (33200100112221), we get a palindrome (45421200212454).

The spelling of 12221100100233 in words is "twelve trillion, two hundred twenty-one billion, one hundred million, one hundred thousand, two hundred thirty-three".