2121011130013 has 16 divisors (see below), whose sum is σ = 2257740000000. Its totient is φ = 1985617573632.

The previous prime is 2121011130011. The next prime is 2121011130053. The reversal of 2121011130013 is 3100311101212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2121011130013 - 2¹ = 2121011130011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121011130011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11372488 + ... + 11557486.

It is an arithmetic number, because the mean of its divisors is an integer number (141108750000).

Almost surely, 2^{2121011130013} is an apocalyptic number.

It is an amenable number.

2121011130013 is a deficient number, since it is larger than the sum of its proper divisors (136728869987).

2121011130013 is a wasteful number, since it uses less digits than its factorization.

2121011130013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188604.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 2121011130013 its reverse (3100311101212), we get a palindrome (5221322231225).

The spelling of 2121011130013 in words is "two trillion, one hundred twenty-one billion, eleven million, one hundred thirty thousand, thirteen".