1331120323101 has 16 divisors (see below), whose sum is σ = 1804059086400. Its totient is φ = 872799755520.

The previous prime is 1331120323079. The next prime is 1331120323129. The reversal of 1331120323101 is 1013230211331.

It is a happy number.

It is not a de Polignac number, because 1331120323101 - 2¹⁴ = 1331120306717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331120393101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2211850 + ... + 2748548.

It is an arithmetic number, because the mean of its divisors is an integer number (112753692900).

Almost surely, 2^{1331120323101} is an apocalyptic number.

It is an amenable number.

1331120323101 is a deficient number, since it is larger than the sum of its proper divisors (472938763299).

1331120323101 is a wasteful number, since it uses less digits than its factorization.

1331120323101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550316.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1331120323101 its reverse (1013230211331), we get a palindrome (2344350534432).

The spelling of 1331120323101 in words is "one trillion, three hundred thirty-one billion, one hundred twenty million, three hundred twenty-three thousand, one hundred one".