1323421320111 has 32 divisors (see below), whose sum is σ = 1986123525120. Its totient is φ = 776978716800.

The previous prime is 1323421320107. The next prime is 1323421320121. The reversal of 1323421320111 is 1110231243231.

It is not a de Polignac number, because 1323421320111 - 2² = 1323421320107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323421320121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4650900 + ... + 4927241.

It is an arithmetic number, because the mean of its divisors is an integer number (62066360160).

Almost surely, 2^{1323421320111} is an apocalyptic number.

1323421320111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1323421320111 is a deficient number, since it is larger than the sum of its proper divisors (662702205009).

1323421320111 is a wasteful number, since it uses less digits than its factorization.

1323421320111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9578287.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1323421320111 its reverse (1110231243231), we get a palindrome (2433652563342).

The spelling of 1323421320111 in words is "one trillion, three hundred twenty-three billion, four hundred twenty-one million, three hundred twenty thousand, one hundred eleven".