21439163412101 has 8 divisors (see below), whose sum is σ = 22195259539200. Its totient is φ = 20684188260400.

The previous prime is 21439163412059. The next prime is 21439163412109. The reversal of 21439163412101 is 10121436193412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21439163412101 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 (21439163412109) 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, 280204925 + ... + 280281426.

It is an arithmetic number, because the mean of its divisors is an integer number (2774407442400).

Almost surely, 2^{21439163412101} is an apocalyptic number.

It is an amenable number.

21439163412101 is a deficient number, since it is larger than the sum of its proper divisors (756096127099).

21439163412101 is a wasteful number, since it uses less digits than its factorization.

21439163412101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560487699.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 21439163412101 in words is "twenty-one trillion, four hundred thirty-nine billion, one hundred sixty-three million, four hundred twelve thousand, one hundred one".