2121330302113 has 32 divisors (see below), whose sum is σ = 2394075543552. Its totient is φ = 1863007396800.

The previous prime is 2121330302107. The next prime is 2121330302159. The reversal of 2121330302113 is 3112030331212.

It is a de Polignac number, because none of the positive numbers 2^k-2121330302113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121330308113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48167043 + ... + 48211063.

It is an arithmetic number, because the mean of its divisors is an integer number (74814860736).

Almost surely, 2^{2121330302113} is an apocalyptic number.

It is an amenable number.

2121330302113 is a deficient number, since it is larger than the sum of its proper divisors (272745241439).

2121330302113 is a wasteful number, since it uses less digits than its factorization.

2121330302113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45285.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2121330302113 its reverse (3112030331212), we get a palindrome (5233360633325).

The spelling of 2121330302113 in words is "two trillion, one hundred twenty-one billion, three hundred thirty million, three hundred two thousand, one hundred thirteen".