1101000100043 has 2 divisors, whose sum is σ = 1101000100044. Its totient is φ = 1101000100042.

The previous prime is 1101000100007. The next prime is 1101000100051. The reversal of 1101000100043 is 3400010001011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1101000100043 - 2²² = 1100995905739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101000099997 and 1101000100033.

It is not a weakly prime, because it can be changed into another prime (1101000100063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550500050021 + 550500050022.

It is an arithmetic number, because the mean of its divisors is an integer number (550500050022).

Almost surely, 2^{1101000100043} is an apocalyptic number.

1101000100043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101000100043 is an equidigital number, since it uses as much as digits as its factorization.

1101000100043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1101000100043 its reverse (3400010001011), we get a palindrome (4501010101054).

The spelling of 1101000100043 in words is "one trillion, one hundred one billion, one hundred thousand, forty-three".