13121330110003 has 16 divisors (see below), whose sum is σ = 13217594765760. Its totient is φ = 13025396151936.

The previous prime is 13121330109941. The next prime is 13121330110019. The reversal of 13121330110003 is 30001103312131.

It is a cyclic number.

It is not a de Polignac number, because 13121330110003 - 2⁴¹ = 10922306854451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13121330110073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169384626 + ... + 169462072.

It is an arithmetic number, because the mean of its divisors is an integer number (826099672860).

Almost surely, 2^{13121330110003} is an apocalyptic number.

13121330110003 is a deficient number, since it is larger than the sum of its proper divisors (96264655757).

13121330110003 is a wasteful number, since it uses less digits than its factorization.

13121330110003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79566.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 13121330110003 its reverse (30001103312131), we get a palindrome (43122433422134).

The spelling of 13121330110003 in words is "thirteen trillion, one hundred twenty-one billion, three hundred thirty million, one hundred ten thousand, three".