2121330011013 has 12 divisors (see below), whose sum is σ = 3064252669920. Its totient is φ = 1414169551656.

The previous prime is 2121330010973. The next prime is 2121330011041. The reversal of 2121330011013 is 3101100331212.

2121330011013 is a `hidden beast` number, since 212 + 1 + 330 + 0 + 110 + 13 = 666.

It is not a de Polignac number, because 2121330011013 - 2⁴⁰ = 1021818383237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121330011063) 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, 3937473 + ... + 4443686.

It is an arithmetic number, because the mean of its divisors is an integer number (255354389160).

Almost surely, 2^{2121330011013} is an apocalyptic number.

It is an amenable number.

2121330011013 is a deficient number, since it is larger than the sum of its proper divisors (942922658907).

2121330011013 is a wasteful number, since it uses less digits than its factorization.

2121330011013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8409288 (or 8409285 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 2121330011013 its reverse (3101100331212), we get a palindrome (5222430342225).

The spelling of 2121330011013 in words is "two trillion, one hundred twenty-one billion, three hundred thirty million, eleven thousand, thirteen".