21101053314423 has 8 divisors (see below), whose sum is σ = 28139001264000. Its totient is φ = 14065237120568.

The previous prime is 21101053314377. The next prime is 21101053314427. The reversal of 21101053314423 is 32441335010112.

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

It is a cyclic number.

It is not a de Polignac number, because 21101053314423 - 2¹⁰ = 21101053313399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21101053314427) 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 7 ways as a sum of consecutive naturals, for example, 532915833 + ... + 532955426.

It is an arithmetic number, because the mean of its divisors is an integer number (3517375158000).

Almost surely, 2^{21101053314423} is an apocalyptic number.

21101053314423 is a deficient number, since it is larger than the sum of its proper divisors (7037947949577).

21101053314423 is a wasteful number, since it uses less digits than its factorization.

21101053314423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065877861.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 21101053314423 its reverse (32441335010112), we get a palindrome (53542388324535).

The spelling of 21101053314423 in words is "twenty-one trillion, one hundred one billion, fifty-three million, three hundred fourteen thousand, four hundred twenty-three".