1101220012043 has 2 divisors, whose sum is σ = 1101220012044. Its totient is φ = 1101220012042.

The previous prime is 1101220011989. The next prime is 1101220012049. The reversal of 1101220012043 is 3402100221011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101220012043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101220012049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550610006021 + 550610006022.

It is an arithmetic number, because the mean of its divisors is an integer number (550610006022).

Almost surely, 2^{1101220012043} is an apocalyptic number.

1101220012043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101220012043 is an equidigital number, since it uses as much as digits as its factorization.

1101220012043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1101220012043 its reverse (3402100221011), we get a palindrome (4503320233054).

The spelling of 1101220012043 in words is "one trillion, one hundred one billion, two hundred twenty million, twelve thousand, forty-three".