2213334310021 has 4 divisors (see below), whose sum is σ = 2213340535692. Its totient is φ = 2213328084352.

The previous prime is 2213334310003. The next prime is 2213334310043. The reversal of 2213334310021 is 1200134333122.

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 1358844833025 + 854489476996 = 1165695^2 + 924386^2 .

It is a cyclic number.

It is not a de Polignac number, because 2213334310021 - 2⁹ = 2213334309509 is a prime.

It is a super-3 number, since 3×2213334310021³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213364310021) 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, 2545036 + ... + 3302101.

It is an arithmetic number, because the mean of its divisors is an integer number (553335133923).

Almost surely, 2^{2213334310021} is an apocalyptic number.

It is an amenable number.

2213334310021 is a deficient number, since it is larger than the sum of its proper divisors (6225671).

2213334310021 is an equidigital number, since it uses as much as digits as its factorization.

2213334310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6225670.

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

Adding to 2213334310021 its reverse (1200134333122), we get a palindrome (3413468643143).

It can be divided in two parts, 221333 and 4310021, that added together give a palindrome (4531354).

The spelling of 2213334310021 in words is "two trillion, two hundred thirteen billion, three hundred thirty-four million, three hundred ten thousand, twenty-one".