21433200105 has 8 divisors (see below), whose sum is σ = 34293120192. Its totient is φ = 11431040048.

The previous prime is 21433200083. The next prime is 21433200119. The reversal of 21433200105 is 50100233412.

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 21433200105 - 2¹⁸ = 21432937961 is a prime.

It is a super-2 number, since 2×21433200105² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714439989 + ... + 714440018.

It is an arithmetic number, because the mean of its divisors is an integer number (4286640024).

Almost surely, 2^21433200105 is an apocalyptic number.

It is an amenable number.

21433200105 is a deficient number, since it is larger than the sum of its proper divisors (12859920087).

21433200105 is a wasteful number, since it uses less digits than its factorization.

21433200105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428880015.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 21433200105 its reverse (50100233412), we get a palindrome (71533433517).

The spelling of 21433200105 in words is "twenty-one billion, four hundred thirty-three million, two hundred thousand, one hundred five".