1223321111310 has 64 divisors (see below), whose sum is σ = 3040445092608. Its totient is φ = 314793502464.

The previous prime is 1223321111213. The next prime is 1223321111333. The reversal of 1223321111310 is 131111233221.

It is a super-2 number, since 2×1223321111310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5605647 + ... + 5819786.

It is an arithmetic number, because the mean of its divisors is an integer number (47506954572).

Almost surely, 2^{1223321111310} is an apocalyptic number.

1223321111310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223321111310 is an abundant number, since it is smaller than the sum of its proper divisors (1817123981298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223321111310 is a wasteful number, since it uses less digits than its factorization.

1223321111310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11425569.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1223321111310 its reverse (131111233221), we get a palindrome (1354432344531).

The spelling of 1223321111310 in words is "one trillion, two hundred twenty-three billion, three hundred twenty-one million, one hundred eleven thousand, three hundred ten".