1320130221043 has 2 divisors, whose sum is σ = 1320130221044. Its totient is φ = 1320130221042.

The previous prime is 1320130221041. The next prime is 1320130221049. The reversal of 1320130221043 is 3401220310231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1320130221043 - 2¹ = 1320130221041 is a prime.

It is a super-2 number, since 2×1320130221043² (a number of 25 digits) contains 22 as substring.

Together with 1320130221041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1320130221041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660065110521 + 660065110522.

It is an arithmetic number, because the mean of its divisors is an integer number (660065110522).

Almost surely, 2^{1320130221043} is an apocalyptic number.

1320130221043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320130221043 is an equidigital number, since it uses as much as digits as its factorization.

1320130221043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1320130221043 its reverse (3401220310231), we get a palindrome (4721350531274).

The spelling of 1320130221043 in words is "one trillion, three hundred twenty billion, one hundred thirty million, two hundred twenty-one thousand, forty-three".