2121200310113 has 8 divisors (see below), whose sum is σ = 2131387621440. Its totient is φ = 2111037342480.

The previous prime is 2121200310083. The next prime is 2121200310179. The reversal of 2121200310113 is 3110130021212.

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 2121200310113 - 2¹⁶ = 2121200244577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121200310091 and 2121200310100.

It is not an unprimeable number, because it can be changed into a prime (2121200312113) 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, 5911223 + ... + 6259788.

It is an arithmetic number, because the mean of its divisors is an integer number (266423452680).

Almost surely, 2^{2121200310113} is an apocalyptic number.

It is an amenable number.

2121200310113 is a deficient number, since it is larger than the sum of its proper divisors (10187311327).

2121200310113 is a wasteful number, since it uses less digits than its factorization.

2121200310113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12171847.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2121200310113 its reverse (3110130021212), we get a palindrome (5231330331325).

The spelling of 2121200310113 in words is "two trillion, one hundred twenty-one billion, two hundred million, three hundred ten thousand, one hundred thirteen".