101001103 has 6 divisors (see below), whose sum is σ = 117491136. Its totient is φ = 86572332.

The previous prime is 101001091. The next prime is 101001133. The reversal of 101001103 is 301100101.

It is a happy number.

It is not a de Polignac number, because 101001103 - 2⁵ = 101001071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101001133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1030575 + ... + 1030672.

It is an arithmetic number, because the mean of its divisors is an integer number (19581856).

Almost surely, 2^101001103 is an apocalyptic number.

101001103 is a deficient number, since it is larger than the sum of its proper divisors (16490033).

101001103 is an equidigital number, since it uses as much as digits as its factorization.

101001103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061261 (or 2061254 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 7.

The square root of 101001103 is about 10049.9304972721. The cubic root of 101001103 is about 465.7026460486.

Adding to 101001103 its reverse (301100101), we get a palindrome (402101204).

The spelling of 101001103 in words is "one hundred one million, one thousand, one hundred three".