10120020103 has 4 divisors (see below), whose sum is σ = 10652652760. Its totient is φ = 9587387448.

The previous prime is 10120020101. The next prime is 10120020133. The reversal of 10120020103 is 30102002101.

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

It is a cyclic number.

It is not a de Polignac number, because 10120020103 - 2¹ = 10120020101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10120020103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120020101) 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, 266316300 + ... + 266316337.

It is an arithmetic number, because the mean of its divisors is an integer number (2663163190).

Almost surely, 2^10120020103 is an apocalyptic number.

10120020103 is a deficient number, since it is larger than the sum of its proper divisors (532632657).

10120020103 is an equidigital number, since it uses as much as digits as its factorization.

10120020103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532632656.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 10120020103 its reverse (30102002101), we get a palindrome (40222022204).

The spelling of 10120020103 in words is "ten billion, one hundred twenty million, twenty thousand, one hundred three".