1320101211311 has 2 divisors, whose sum is σ = 1320101211312. Its totient is φ = 1320101211310.

The previous prime is 1320101211281. The next prime is 1320101211379. The reversal of 1320101211311 is 1131121010231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1320101211311 - 2²⁶ = 1320034102447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1320101211311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320101211511) 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 as a sum of consecutive naturals, namely, 660050605655 + 660050605656.

It is an arithmetic number, because the mean of its divisors is an integer number (660050605656).

Almost surely, 2^{1320101211311} is an apocalyptic number.

1320101211311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320101211311 is an equidigital number, since it uses as much as digits as its factorization.

1320101211311 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1320101211311 its reverse (1131121010231), we get a palindrome (2451222221542).

The spelling of 1320101211311 in words is "one trillion, three hundred twenty billion, one hundred one million, two hundred eleven thousand, three hundred eleven".