101550103 has 4 divisors (see below), whose sum is σ = 101586760. Its totient is φ = 101513448.

The previous prime is 101550077. The next prime is 101550109. The reversal of 101550103 is 301055101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301055101 = 463 ⋅650227.

It is a cyclic number.

It is not a de Polignac number, because 101550103 - 2¹³ = 101541911 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 (101550109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13800 + ... + 19837.

It is an arithmetic number, because the mean of its divisors is an integer number (25396690).

Almost surely, 2^101550103 is an apocalyptic number.

101550103 is a deficient number, since it is larger than the sum of its proper divisors (36657).

101550103 is an equidigital number, since it uses as much as digits as its factorization.

101550103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36656.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 101550103 is about 10077.2071031611. The cubic root of 101550103 is about 466.5449104694.

The spelling of 101550103 in words is "one hundred one million, five hundred fifty thousand, one hundred three".