13121121003 has 8 divisors (see below), whose sum is σ = 17500467600. Its totient is φ = 8744594208.

The previous prime is 13121120941. The next prime is 13121121011. The reversal of 13121121003 is 30012112131.

It is a happy number.

13121121003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13121121003 - 2²¹ = 13119023851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13121121053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694068 + ... + 712721.

It is an arithmetic number, because the mean of its divisors is an integer number (2187558450).

Almost surely, 2^13121121003 is an apocalyptic number.

13121121003 is a deficient number, since it is larger than the sum of its proper divisors (4379346597).

13121121003 is a wasteful number, since it uses less digits than its factorization.

13121121003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409901.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13121121003 its reverse (30012112131), we get a palindrome (43133233134).

The spelling of 13121121003 in words is "thirteen billion, one hundred twenty-one million, one hundred twenty-one thousand, three".