1222401101321 has 8 divisors (see below), whose sum is σ = 1261850114304. Its totient is φ = 1182953133360.

The previous prime is 1222401101303. The next prime is 1222401101407. The reversal of 1222401101321 is 1231011042221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222401101321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222401101293 and 1222401101302.

It is not an unprimeable number, because it can be changed into a prime (1222401101221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2620790 + ... + 3051776.

It is an arithmetic number, because the mean of its divisors is an integer number (157731264288).

Almost surely, 2^{1222401101321} is an apocalyptic number.

It is an amenable number.

1222401101321 is a deficient number, since it is larger than the sum of its proper divisors (39449012983).

1222401101321 is an equidigital number, since it uses as much as digits as its factorization.

1222401101321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522511.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1222401101321 its reverse (1231011042221), we get a palindrome (2453412143542).

The spelling of 1222401101321 in words is "one trillion, two hundred twenty-two billion, four hundred one million, one hundred one thousand, three hundred twenty-one".