121000113313 has 8 divisors (see below), whose sum is σ = 121226596488. Its totient is φ = 120773689344.

The previous prime is 121000113307. The next prime is 121000113317. The reversal of 121000113313 is 313311000121.

It can be written as a sum of positive squares in 4 ways, for example, as 68891550784 + 52108562529 = 262472^2 + 228273^2 .

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 121000113313 - 2⁹ = 121000112801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121000113317) 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, 7812345 + ... + 7827817.

It is an arithmetic number, because the mean of its divisors is an integer number (15153324561).

Almost surely, 2^121000113313 is an apocalyptic number.

It is an amenable number.

121000113313 is a deficient number, since it is larger than the sum of its proper divisors (226483175).

121000113313 is a wasteful number, since it uses less digits than its factorization.

121000113313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29603.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 121000113313 its reverse (313311000121), we get a palindrome (434311113434).

The spelling of 121000113313 in words is "one hundred twenty-one billion, one hundred thirteen thousand, three hundred thirteen".