21010522341 has 8 divisors (see below), whose sum is σ = 28368638080. Its totient is φ = 13829710752.

The previous prime is 21010522327. The next prime is 21010522361. The reversal of 21010522341 is 14322501012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21010522341 - 2⁷ = 21010522213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21010522321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44325760 + ... + 44326233.

It is an arithmetic number, because the mean of its divisors is an integer number (3546079760).

Almost surely, 2^21010522341 is an apocalyptic number.

It is an amenable number.

21010522341 is a deficient number, since it is larger than the sum of its proper divisors (7358115739).

21010522341 is an equidigital number, since it uses as much as digits as its factorization.

21010522341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88652075.

The product of its (nonzero) digits is 480, while the sum is 21.

The spelling of 21010522341 in words is "twenty-one billion, ten million, five hundred twenty-two thousand, three hundred forty-one".