12221120133321 has 8 divisors (see below), whose sum is σ = 17776174739424. Its totient is φ = 7406739474720.

The previous prime is 12221120133293. The next prime is 12221120133349. The reversal of 12221120133321 is 12333102112221.

12221120133321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12221120133293) and next prime (12221120133349).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-12221120133321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12221120133291 and 12221120133300.

It is not an unprimeable number, because it can be changed into a prime (12221120133721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185168486836 + ... + 185168486901.

It is an arithmetic number, because the mean of its divisors is an integer number (2222021842428).

Almost surely, 2^{12221120133321} is an apocalyptic number.

12221120133321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12221120133321 is a deficient number, since it is larger than the sum of its proper divisors (5555054606103).

12221120133321 is a wasteful number, since it uses less digits than its factorization.

12221120133321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370336973751.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12221120133321 its reverse (12333102112221), we get a palindrome (24554222245542).

The spelling of 12221120133321 in words is "twelve trillion, two hundred twenty-one billion, one hundred twenty million, one hundred thirty-three thousand, three hundred twenty-one".