1222303330121 has 4 divisors (see below), whose sum is σ = 1222483591044. Its totient is φ = 1222123069200.

The previous prime is 1222303330091. The next prime is 1222303330207. The reversal of 1222303330121 is 1210333032221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 581040307600 + 641263022521 = 762260^2 + 800789^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222303330121 - 2²² = 1222299135817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222303330021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90120290 + ... + 90133851.

It is an arithmetic number, because the mean of its divisors is an integer number (305620897761).

Almost surely, 2^{1222303330121} is an apocalyptic number.

It is an amenable number.

1222303330121 is a deficient number, since it is larger than the sum of its proper divisors (180260923).

1222303330121 is an equidigital number, since it uses as much as digits as its factorization.

1222303330121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180260922.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1222303330121 its reverse (1210333032221), we get a palindrome (2432636362342).

The spelling of 1222303330121 in words is "one trillion, two hundred twenty-two billion, three hundred three million, three hundred thirty thousand, one hundred twenty-one".