1222003201321 has 8 divisors (see below), whose sum is σ = 1401545107584. Its totient is φ = 1043703800160.

The previous prime is 1222003201261. The next prime is 1222003201357. The reversal of 1222003201321 is 1231023002221.

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

It is not a de Polignac number, because 1222003201321 - 2¹⁵ = 1222003168553 is a prime.

It is a super-2 number, since 2×1222003201321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222003201721) 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, 310624165 + ... + 310628098.

It is an arithmetic number, because the mean of its divisors is an integer number (175193138448).

Almost surely, 2^{1222003201321} is an apocalyptic number.

It is an amenable number.

1222003201321 is a deficient number, since it is larger than the sum of its proper divisors (179541906263).

1222003201321 is an equidigital number, since it uses as much as digits as its factorization.

1222003201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621252551.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1222003201321 its reverse (1231023002221), we get a palindrome (2453026203542).

The spelling of 1222003201321 in words is "one trillion, two hundred twenty-two billion, three million, two hundred one thousand, three hundred twenty-one".