1010001100001 has 2 divisors, whose sum is σ = 1010001100002. Its totient is φ = 1010001100000.

The previous prime is 1010001099983. The next prime is 1010001100039. The reversal of 1010001100001 is 1000011000101.

1010001100001 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 can be written as a sum of positive squares in only one way, i.e., 973282875601 + 36718224400 = 986551^2 + 191620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010001100001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010001100091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505000550000 + 505000550001.

It is an arithmetic number, because the mean of its divisors is an integer number (505000550001).

Almost surely, 2^{1010001100001} is an apocalyptic number.

It is an amenable number.

1010001100001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010001100001 is an equidigital number, since it uses as much as digits as its factorization.

1010001100001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 1010001100001 its reverse (1000011000101), we get a palindrome (2010012100102).

The spelling of 1010001100001 in words is "one trillion, ten billion, one million, one hundred thousand, one".