1101312032243 has 2 divisors, whose sum is σ = 1101312032244. Its totient is φ = 1101312032242.

The previous prime is 1101312032237. The next prime is 1101312032399. The reversal of 1101312032243 is 3422302131011.

It is a weak prime.

It is an emirp because it is prime and its reverse (3422302131011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1101312032243 - 2¹⁸ = 1101311770099 is a prime.

It is a super-2 number, since 2×1101312032243² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1101312032213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550656016121 + 550656016122.

It is an arithmetic number, because the mean of its divisors is an integer number (550656016122).

Almost surely, 2^{1101312032243} is an apocalyptic number.

1101312032243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101312032243 is an equidigital number, since it uses as much as digits as its factorization.

1101312032243 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 23.

Adding to 1101312032243 its reverse (3422302131011), we get a palindrome (4523614163254).

The spelling of 1101312032243 in words is "one trillion, one hundred one billion, three hundred twelve million, thirty-two thousand, two hundred forty-three".