2121130012333 has 4 divisors (see below), whose sum is σ = 2155902635548. Its totient is φ = 2086357389120.

The previous prime is 2121130012283. The next prime is 2121130012363. The reversal of 2121130012333 is 3332100311212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 656250668649 + 1464879343684 = 810093^2 + 1210322^2 .

It is a cyclic number.

It is not a de Polignac number, because 2121130012333 - 2⁹ = 2121130011821 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 (2121130012363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17386311516 + ... + 17386311637.

It is an arithmetic number, because the mean of its divisors is an integer number (538975658887).

Almost surely, 2^{2121130012333} is an apocalyptic number.

It is an amenable number.

2121130012333 is a deficient number, since it is larger than the sum of its proper divisors (34772623215).

2121130012333 is an equidigital number, since it uses as much as digits as its factorization.

2121130012333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34772623214.

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

Adding to 2121130012333 its reverse (3332100311212), we get a palindrome (5453230323545).

The spelling of 2121130012333 in words is "two trillion, one hundred twenty-one billion, one hundred thirty million, twelve thousand, three hundred thirty-three".