1323001110121 has 16 divisors (see below), whose sum is σ = 1407983477184. Its totient is φ = 1238821871104.

The previous prime is 1323001110107. The next prime is 1323001110127. The reversal of 1323001110121 is 1210111003231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1323001110121 - 2⁵ = 1323001110089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323001110095 and 1323001110104.

It is not an unprimeable number, because it can be changed into a prime (1323001110127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5410326 + ... + 5649568.

It is an arithmetic number, because the mean of its divisors is an integer number (87998967324).

Almost surely, 2^{1323001110121} is an apocalyptic number.

It is an amenable number.

1323001110121 is a deficient number, since it is larger than the sum of its proper divisors (84982367063).

1323001110121 is a wasteful number, since it uses less digits than its factorization.

1323001110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240920.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1323001110121 its reverse (1210111003231), we get a palindrome (2533112113352).

It can be divided in two parts, 132300 and 1110121, that added together give a palindrome (1242421).

The spelling of 1323001110121 in words is "one trillion, three hundred twenty-three billion, one million, one hundred ten thousand, one hundred twenty-one".