21540100325341 has 16 divisors (see below), whose sum is σ = 23330951694400. Its totient is φ = 19768501785600.

The previous prime is 21540100325339. The next prime is 21540100325347. The reversal of 21540100325341 is 14352300104512.

It is a cyclic number.

It is not a de Polignac number, because 21540100325341 - 2¹ = 21540100325339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21540100325347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1736266 + ... + 6789316.

It is an arithmetic number, because the mean of its divisors is an integer number (1458184480900).

Almost surely, 2^{21540100325341} is an apocalyptic number.

It is an amenable number.

21540100325341 is a deficient number, since it is larger than the sum of its proper divisors (1790851369059).

21540100325341 is a wasteful number, since it uses less digits than its factorization.

21540100325341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5054956.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 21540100325341 its reverse (14352300104512), we get a palindrome (35892400429853).

The spelling of 21540100325341 in words is "twenty-one trillion, five hundred forty billion, one hundred million, three hundred twenty-five thousand, three hundred forty-one".