12221133230111 has 4 divisors (see below), whose sum is σ = 13161220401672. Its totient is φ = 11281046058552.

The previous prime is 12221133230083. The next prime is 12221133230233. The reversal of 12221133230111 is 11103233112221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12221133230111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221133230611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470043585761 + ... + 470043585786.

It is an arithmetic number, because the mean of its divisors is an integer number (3290305100418).

Almost surely, 2^{12221133230111} is an apocalyptic number.

12221133230111 is a deficient number, since it is larger than the sum of its proper divisors (940087171561).

12221133230111 is an equidigital number, since it uses as much as digits as its factorization.

12221133230111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940087171560.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12221133230111 its reverse (11103233112221), we get a palindrome (23324366342332).

The spelling of 12221133230111 in words is "twelve trillion, two hundred twenty-one billion, one hundred thirty-three million, two hundred thirty thousand, one hundred eleven".