121103130213 has 48 divisors (see below), whose sum is σ = 199046090880. Its totient is φ = 73118769984.

The previous prime is 121103130191. The next prime is 121103130223. The reversal of 121103130213 is 312031301121.

It is not a de Polignac number, because 121103130213 - 2³³ = 112513195621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121103130223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 194233 + ... + 529086.

It is an arithmetic number, because the mean of its divisors is an integer number (4146793560).

Almost surely, 2^121103130213 is an apocalyptic number.

121103130213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121103130213 is a deficient number, since it is larger than the sum of its proper divisors (77942960667).

121103130213 is an equidigital number, since it uses as much as digits as its factorization.

121103130213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723400 (or 723388 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 121103130213 its reverse (312031301121), we get a palindrome (433134431334).

The spelling of 121103130213 in words is "one hundred twenty-one billion, one hundred three million, one hundred thirty thousand, two hundred thirteen".