101101001001043 has 2 divisors, whose sum is σ = 101101001001044. Its totient is φ = 101101001001042.

The previous prime is 101101001001023. The next prime is 101101001001067. The reversal of 101101001001043 is 340100100101101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101101001001043 is a prime.

It is not a weakly prime, because it can be changed into another prime (101101001001023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50550500500521 + 50550500500522.

It is an arithmetic number, because the mean of its divisors is an integer number (50550500500522).

Almost surely, 2^{101101001001043} is an apocalyptic number.

101101001001043 is a deficient number, since it is larger than the sum of its proper divisors (1).

101101001001043 is an equidigital number, since it uses as much as digits as its factorization.

101101001001043 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 13.

Adding to 101101001001043 its reverse (340100100101101), we get a palindrome (441201101102144).

The spelling of 101101001001043 in words is "one hundred one trillion, one hundred one billion, one million, one thousand, forty-three".