21341310112541 has 32 divisors (see below), whose sum is σ = 21834502373376. Its totient is φ = 20854297800000.

The previous prime is 21341310112523. The next prime is 21341310112559. The reversal of 21341310112541 is 14521101314312.

It is an interprime number because it is at equal distance from previous prime (21341310112523) and next prime (21341310112559).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21341310112541 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 (21341312112541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8365859216 + ... + 8365861766.

It is an arithmetic number, because the mean of its divisors is an integer number (682328199168).

Almost surely, 2^{21341310112541} is an apocalyptic number.

It is an amenable number.

21341310112541 is a deficient number, since it is larger than the sum of its proper divisors (493192260835).

21341310112541 is a wasteful number, since it uses less digits than its factorization.

21341310112541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4553.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 21341310112541 its reverse (14521101314312), we get a palindrome (35862411426853).

The spelling of 21341310112541 in words is "twenty-one trillion, three hundred forty-one billion, three hundred ten million, one hundred twelve thousand, five hundred forty-one".