2121022233313 has 16 divisors (see below), whose sum is σ = 2213985702096. Its totient is φ = 2030030479360.

The previous prime is 2121022233311. The next prime is 2121022233331. The reversal of 2121022233313 is 3133322201212.

It can be written as a sum of positive squares in 8 ways, for example, as 98503077904 + 2022519155409 = 313852^2 + 1422153^2 .

It is a cyclic number.

It is not a de Polignac number, because 2121022233313 - 2¹ = 2121022233311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121022233311) 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, 22624131 + ... + 22717687.

It is an arithmetic number, because the mean of its divisors is an integer number (138374106381).

Almost surely, 2^{2121022233313} is an apocalyptic number.

It is an amenable number.

2121022233313 is a deficient number, since it is larger than the sum of its proper divisors (92963468783).

2121022233313 is a wasteful number, since it uses less digits than its factorization.

2121022233313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104084.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2121022233313 its reverse (3133322201212), we get a palindrome (5254344434525).

The spelling of 2121022233313 in words is "two trillion, one hundred twenty-one billion, twenty-two million, two hundred thirty-three thousand, three hundred thirteen".