1222111032321 has 8 divisors (see below), whose sum is σ = 1629607558720. Its totient is φ = 814677597072.

The previous prime is 1222111032287. The next prime is 1222111032343. The reversal of 1222111032321 is 1232301112221.

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

It is not a de Polignac number, because 1222111032321 - 2¹⁹ = 1222110508033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222111032361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15727570 + ... + 15805083.

It is an arithmetic number, because the mean of its divisors is an integer number (203700944840).

Almost surely, 2^{1222111032321} is an apocalyptic number.

It is an amenable number.

1222111032321 is a deficient number, since it is larger than the sum of its proper divisors (407496526399).

1222111032321 is a wasteful number, since it uses less digits than its factorization.

1222111032321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31545575.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1222111032321 its reverse (1232301112221), we get a palindrome (2454412144542).

The spelling of 1222111032321 in words is "one trillion, two hundred twenty-two billion, one hundred eleven million, thirty-two thousand, three hundred twenty-one".