1321000013119 has 4 divisors (see below), whose sum is σ = 1363612916800. Its totient is φ = 1278387109440.

The previous prime is 1321000013093. The next prime is 1321000013191. The reversal of 1321000013119 is 9113100001231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1321000013119 - 2¹⁷ = 1320999882047 is a prime.

It is a super-2 number, since 2×1321000013119² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1321000013119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321000010119) 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 3 ways as a sum of consecutive naturals, for example, 21306451794 + ... + 21306451855.

It is an arithmetic number, because the mean of its divisors is an integer number (340903229200).

Almost surely, 2^{1321000013119} is an apocalyptic number.

1321000013119 is a deficient number, since it is larger than the sum of its proper divisors (42612903681).

1321000013119 is an equidigital number, since it uses as much as digits as its factorization.

1321000013119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42612903680.

The product of its (nonzero) digits is 162, while the sum is 22.

The spelling of 1321000013119 in words is "one trillion, three hundred twenty-one billion, thirteen thousand, one hundred nineteen".