1010001001103 has 2 divisors, whose sum is σ = 1010001001104. Its totient is φ = 1010001001102.

The previous prime is 1010001001099. The next prime is 1010001001111. The reversal of 1010001001103 is 3011001000101.

It is an a-pointer prime, because the next prime (1010001001111) can be obtained adding 1010001001103 to its sum of digits (8).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1010001001103 - 2² = 1010001001099 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010001001133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505000500551 + 505000500552.

It is an arithmetic number, because the mean of its divisors is an integer number (505000500552).

Almost surely, 2^{1010001001103} is an apocalyptic number.

1010001001103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010001001103 is an equidigital number, since it uses as much as digits as its factorization.

1010001001103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3, while the sum is 8.

Adding to 1010001001103 its reverse (3011001000101), we get a palindrome (4021002001204).

The spelling of 1010001001103 in words is "one trillion, ten billion, one million, one thousand, one hundred three".