21424434233101 has 8 divisors (see below), whose sum is σ = 21479762304000. Its totient is φ = 21369107457360.

The previous prime is 21424434233099. The next prime is 21424434233113. The reversal of 21424434233101 is 10133243442412.

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 21424434233101 - 2¹ = 21424434233099 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 (21424434233171) 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, 38937616 + ... + 39484006.

It is an arithmetic number, because the mean of its divisors is an integer number (2684970288000).

Almost surely, 2^{21424434233101} is an apocalyptic number.

It is an amenable number.

21424434233101 is a deficient number, since it is larger than the sum of its proper divisors (55328070899).

21424434233101 is a wasteful number, since it uses less digits than its factorization.

21424434233101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647579.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 21424434233101 its reverse (10133243442412), we get a palindrome (31557677675513).

The spelling of 21424434233101 in words is "twenty-one trillion, four hundred twenty-four billion, four hundred thirty-four million, two hundred thirty-three thousand, one hundred one".