21334210304041 has 4 divisors (see below), whose sum is σ = 21334526860500. Its totient is φ = 21333893747584.

The previous prime is 21334210304009. The next prime is 21334210304089. The reversal of 21334210304041 is 14040301243312.

It is a happy number.

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 14285073793600 + 7049136510441 = 3779560^2 + 2655021^2 .

It is a cyclic number.

It is not a de Polignac number, because 21334210304041 - 2⁵ = 21334210304009 is a prime.

It is a super-3 number, since 3×21334210304041³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21334210308041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158177116 + ... + 158311933.

It is an arithmetic number, because the mean of its divisors is an integer number (5333631715125).

Almost surely, 2^{21334210304041} is an apocalyptic number.

It is an amenable number.

21334210304041 is a deficient number, since it is larger than the sum of its proper divisors (316556459).

21334210304041 is an equidigital number, since it uses as much as digits as its factorization.

21334210304041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316556458.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 21334210304041 its reverse (14040301243312), we get a palindrome (35374511547353).

The spelling of 21334210304041 in words is "twenty-one trillion, three hundred thirty-four billion, two hundred ten million, three hundred four thousand, forty-one".