1320010111193 has 2 divisors, whose sum is σ = 1320010111194. Its totient is φ = 1320010111192.

The previous prime is 1320010111127. The next prime is 1320010111223. The reversal of 1320010111193 is 3911110100231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 993297269449 + 326712841744 = 996643^2 + 571588^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320010111193 - 2¹⁰ = 1320010110169 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1320010111093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660005055596 + 660005055597.

It is an arithmetic number, because the mean of its divisors is an integer number (660005055597).

Almost surely, 2^{1320010111193} is an apocalyptic number.

It is an amenable number.

1320010111193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320010111193 is an equidigital number, since it uses as much as digits as its factorization.

1320010111193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 1320010111193 in words is "one trillion, three hundred twenty billion, ten million, one hundred eleven thousand, one hundred ninety-three".