121131310100213 has 8 divisors (see below), whose sum is σ = 138469457483520. Its totient is φ = 103801581344880.

The previous prime is 121131310100201. The next prime is 121131310100257. The reversal of 121131310100213 is 312001013131121.

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

It is a cyclic number.

It is not a de Polignac number, because 121131310100213 - 2⁶ = 121131310100149 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 (121131310100113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2104626158 + ... + 2104683711.

It is an arithmetic number, because the mean of its divisors is an integer number (17308682185440).

Almost surely, 2^{121131310100213} is an apocalyptic number.

It is an amenable number.

121131310100213 is a deficient number, since it is larger than the sum of its proper divisors (17338147383307).

121131310100213 is an equidigital number, since it uses as much as digits as its factorization.

121131310100213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4209313987.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 121131310100213 its reverse (312001013131121), we get a palindrome (433132323231334).

The spelling of 121131310100213 in words is "one hundred twenty-one trillion, one hundred thirty-one billion, three hundred ten million, one hundred thousand, two hundred thirteen".