1223131111322 has 8 divisors (see below), whose sum is σ = 1847895924000. Its totient is φ = 607165803324.

The previous prime is 1223131111313. The next prime is 1223131111379. The reversal of 1223131111322 is 2231111313221.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2199875822 + ... + 2199876377.

It is an arithmetic number, because the mean of its divisors is an integer number (230986990500).

Almost surely, 2^{1223131111322} is an apocalyptic number.

1223131111322 is a deficient number, since it is larger than the sum of its proper divisors (624764812678).

1223131111322 is a wasteful number, since it uses less digits than its factorization.

1223131111322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4399752340.

The product of its digits is 432, while the sum is 23.

Adding to 1223131111322 its reverse (2231111313221), we get a palindrome (3454242424543).

The spelling of 1223131111322 in words is "one trillion, two hundred twenty-three billion, one hundred thirty-one million, one hundred eleven thousand, three hundred twenty-two".