21134234334333 has 4 divisors (see below), whose sum is σ = 28178979112448. Its totient is φ = 14089489556220.

The previous prime is 21134234334287. The next prime is 21134234334413. The reversal of 21134234334333 is 33343343243112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 21134234334333 - 2¹⁷ = 21134234203261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21134234334291 and 21134234334300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21134234334833) 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, 3522372389053 + ... + 3522372389058.

It is an arithmetic number, because the mean of its divisors is an integer number (7044744778112).

Almost surely, 2^{21134234334333} is an apocalyptic number.

It is an amenable number.

21134234334333 is a deficient number, since it is larger than the sum of its proper divisors (7044744778115).

21134234334333 is an equidigital number, since it uses as much as digits as its factorization.

21134234334333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044744778114.

The product of its digits is 559872, while the sum is 39.

Adding to 21134234334333 its reverse (33343343243112), we get a palindrome (54477577577445).

The spelling of 21134234334333 in words is "twenty-one trillion, one hundred thirty-four billion, two hundred thirty-four million, three hundred thirty-four thousand, three hundred thirty-three".