10001203122103 has 4 divisors (see below), whose sum is σ = 10001235944520. Its totient is φ = 10001170299688.

The previous prime is 10001203122089. The next prime is 10001203122121. The reversal of 10001203122103 is 30122130210001.

10001203122103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10001203122103 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 (10001203122193) 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, 15949825 + ... + 16565002.

It is an arithmetic number, because the mean of its divisors is an integer number (2500308986130).

Almost surely, 2^{10001203122103} is an apocalyptic number.

10001203122103 is a deficient number, since it is larger than the sum of its proper divisors (32822417).

10001203122103 is an equidigital number, since it uses as much as digits as its factorization.

10001203122103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32822416.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10001203122103 its reverse (30122130210001), we get a palindrome (40123333332104).

The spelling of 10001203122103 in words is "ten trillion, one billion, two hundred three million, one hundred twenty-two thousand, one hundred three".