121002330213 has 12 divisors (see below), whose sum is σ = 179504958828. Its totient is φ = 78487997760.

The previous prime is 121002330157. The next prime is 121002330223. The reversal of 121002330213 is 312033200121.

121002330213 is a `hidden beast` number, since 121 + 0 + 0 + 2 + 330 + 213 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 100018490049 + 20983840164 = 316257^2 + 144858^2 .

It is not a de Polignac number, because 121002330213 - 2⁸ = 121002329957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002330223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181684848 + ... + 181685513.

It is an arithmetic number, because the mean of its divisors is an integer number (14958746569).

Almost surely, 2^121002330213 is an apocalyptic number.

It is an amenable number.

121002330213 is a deficient number, since it is larger than the sum of its proper divisors (58502628615).

121002330213 is a wasteful number, since it uses less digits than its factorization.

121002330213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363370404 (or 363370401 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121002330213 its reverse (312033200121), we get a palindrome (433035530334).

The spelling of 121002330213 in words is "one hundred twenty-one billion, two million, three hundred thirty thousand, two hundred thirteen".