12221111330023 has 4 divisors (see below), whose sum is σ = 12368353635288. Its totient is φ = 12073869024760.

The previous prime is 12221111330009. The next prime is 12221111330069. The reversal of 12221111330023 is 32003311112221.

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-12221111330023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12221111329976 and 12221111330003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221111330093) 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 3 ways as a sum of consecutive naturals, for example, 73621152508 + ... + 73621152673.

It is an arithmetic number, because the mean of its divisors is an integer number (3092088408822).

Almost surely, 2^{12221111330023} is an apocalyptic number.

12221111330023 is a deficient number, since it is larger than the sum of its proper divisors (147242305265).

12221111330023 is an equidigital number, since it uses as much as digits as its factorization.

12221111330023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147242305264.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12221111330023 its reverse (32003311112221), we get a palindrome (44224422442244).

The spelling of 12221111330023 in words is "twelve trillion, two hundred twenty-one billion, one hundred eleven million, three hundred thirty thousand, twenty-three".