1320220131211 has 2 divisors, whose sum is σ = 1320220131212. Its totient is φ = 1320220131210.

The previous prime is 1320220131199. The next prime is 1320220131337. The reversal of 1320220131211 is 1121310220231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1320220131211 - 2⁹ = 1320220130699 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320220131911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660110065605 + 660110065606.

It is an arithmetic number, because the mean of its divisors is an integer number (660110065606).

Almost surely, 2^{1320220131211} is an apocalyptic number.

1320220131211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320220131211 is an equidigital number, since it uses as much as digits as its factorization.

1320220131211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1320220131211 its reverse (1121310220231), we get a palindrome (2441530351442).

The spelling of 1320220131211 in words is "one trillion, three hundred twenty billion, two hundred twenty million, one hundred thirty-one thousand, two hundred eleven".