101115103 has 4 divisors (see below), whose sum is σ = 101137608. Its totient is φ = 101092600.

The previous prime is 101115097. The next prime is 101115109. The reversal of 101115103 is 301511101.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (101115097) and next prime (101115109).

It is a cyclic number.

It is not a de Polignac number, because 101115103 - 2⁵ = 101115071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101115109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1948 + ... + 14353.

It is an arithmetic number, because the mean of its divisors is an integer number (25284402).

Almost surely, 2^101115103 is an apocalyptic number.

101115103 is a deficient number, since it is larger than the sum of its proper divisors (22505).

101115103 is an equidigital number, since it uses as much as digits as its factorization.

101115103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22504.

The product of its (nonzero) digits is 15, while the sum is 13.

The square root of 101115103 is about 10055.6005787820. The cubic root of 101115103 is about 465.8777931124.

Adding to 101115103 its reverse (301511101), we get a palindrome (402626204).

The spelling of 101115103 in words is "one hundred one million, one hundred fifteen thousand, one hundred three".