21334210303441 has 12 divisors (see below), whose sum is σ = 24817431969012. Its totient is φ = 18286403129568.

The previous prime is 21334210303433. The next prime is 21334210303459. The reversal of 21334210303441 is 14430301243312.

It can be written as a sum of positive squares in 2 ways, for example, as 9821109838225 + 11513100465216 = 3133865^2 + 3393096^2 .

It is not a de Polignac number, because 21334210303441 - 2³ = 21334210303433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21334210603441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18830731 + ... + 19931503.

It is an arithmetic number, because the mean of its divisors is an integer number (2068119330751).

Almost surely, 2^{21334210303441} is an apocalyptic number.

It is an amenable number.

21334210303441 is a deficient number, since it is larger than the sum of its proper divisors (3483221665571).

21334210303441 is a wasteful number, since it uses less digits than its factorization.

21334210303441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496320 (or 1496313 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 21334210303441 its reverse (14430301243312), we get a palindrome (35764511546753).

The spelling of 21334210303441 in words is "twenty-one trillion, three hundred thirty-four billion, two hundred ten million, three hundred three thousand, four hundred forty-one".