1320013322011 has 16 divisors (see below), whose sum is σ = 1452219703200. Its totient is φ = 1194969259008.

The previous prime is 1320013322009. The next prime is 1320013322071. The reversal of 1320013322011 is 1102233100231.

It is a cyclic number.

It is not a de Polignac number, because 1320013322011 - 2¹ = 1320013322009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

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 1320013322011.

It is not an unprimeable number, because it can be changed into a prime (1320013322071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12295360 + ... + 12402253.

It is an arithmetic number, because the mean of its divisors is an integer number (90763731450).

Almost surely, 2^{1320013322011} is an apocalyptic number.

1320013322011 is a deficient number, since it is larger than the sum of its proper divisors (132206381189).

1320013322011 is a wasteful number, since it uses less digits than its factorization.

1320013322011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24697758.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1320013322011 its reverse (1102233100231), we get a palindrome (2422246422242).

The spelling of 1320013322011 in words is "one trillion, three hundred twenty billion, thirteen million, three hundred twenty-two thousand, eleven".