1320013202111 has 4 divisors (see below), whose sum is σ = 1338604937424. Its totient is φ = 1301421466800.

The previous prime is 1320013202059. The next prime is 1320013202141. The reversal of 1320013202111 is 1112023100231.

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 1320013202111 - 2¹⁸ = 1320012939967 is a prime.

It is a super-3 number, since 3×1320013202111³ (a number of 37 digits) contains 333 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 1320013202111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320013202141) 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, 9295867550 + ... + 9295867691.

It is an arithmetic number, because the mean of its divisors is an integer number (334651234356).

Almost surely, 2^{1320013202111} is an apocalyptic number.

1320013202111 is a deficient number, since it is larger than the sum of its proper divisors (18591735313).

1320013202111 is an equidigital number, since it uses as much as digits as its factorization.

1320013202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18591735312.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1320013202111 its reverse (1112023100231), we get a palindrome (2432036302342).

The spelling of 1320013202111 in words is "one trillion, three hundred twenty billion, thirteen million, two hundred two thousand, one hundred eleven".