1313220111101 has 4 divisors (see below), whose sum is σ = 1315894694304. Its totient is φ = 1310545527900.

The previous prime is 1313220111053. The next prime is 1313220111121. The reversal of 1313220111101 is 1011110223131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1313220111101 - 2¹⁰ = 1313220110077 is a prime.

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 1313220111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313220111121) 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 3 ways as a sum of consecutive naturals, for example, 1337290865 + ... + 1337291846.

It is an arithmetic number, because the mean of its divisors is an integer number (328973673576).

Almost surely, 2^{1313220111101} is an apocalyptic number.

It is an amenable number.

1313220111101 is a deficient number, since it is larger than the sum of its proper divisors (2674583203).

1313220111101 is an equidigital number, since it uses as much as digits as its factorization.

1313220111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674583202.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1313220111101 its reverse (1011110223131), we get a palindrome (2324330334232).

The spelling of 1313220111101 in words is "one trillion, three hundred thirteen billion, two hundred twenty million, one hundred eleven thousand, one hundred one".