10121300103 has 4 divisors (see below), whose sum is σ = 13495066808. Its totient is φ = 6747533400.

The previous prime is 10121300099. The next prime is 10121300129. The reversal of 10121300103 is 30100312101.

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

It is not a de Polignac number, because 10121300103 - 2² = 10121300099 is a prime.

It is a super-3 number, since 3×10121300103³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121300173) 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, 1686883348 + ... + 1686883353.

It is an arithmetic number, because the mean of its divisors is an integer number (3373766702).

Almost surely, 2^10121300103 is an apocalyptic number.

10121300103 is a deficient number, since it is larger than the sum of its proper divisors (3373766705).

10121300103 is an equidigital number, since it uses as much as digits as its factorization.

10121300103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373766704.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 10121300103 its reverse (30100312101), we get a palindrome (40221612204).

The spelling of 10121300103 in words is "ten billion, one hundred twenty-one million, three hundred thousand, one hundred three".