10101111100043 has 2 divisors, whose sum is σ = 10101111100044. Its totient is φ = 10101111100042.

The previous prime is 10101111100007. The next prime is 10101111100123. The reversal of 10101111100043 is 34000111110101.

It is a happy number.

10101111100043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10101111100043 - 2¹⁰ = 10101111099019 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (10101111100943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050555550021 + 5050555550022.

It is an arithmetic number, because the mean of its divisors is an integer number (5050555550022).

Almost surely, 2^{10101111100043} is an apocalyptic number.

10101111100043 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101111100043 is an equidigital number, since it uses as much as digits as its factorization.

10101111100043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 10101111100043 its reverse (34000111110101), we get a palindrome (44101222210144).

The spelling of 10101111100043 in words is "ten trillion, one hundred one billion, one hundred eleven million, one hundred thousand, forty-three".