21433200113 has 8 divisors (see below), whose sum is σ = 23398099368. Its totient is φ = 19513471104.

The previous prime is 21433200083. The next prime is 21433200119. The reversal of 21433200113 is 31100233412.

It can be written as a sum of positive squares in 4 ways, for example, as 2582449 + 21430617664 = 1607^2 + 146392^2 .

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 21433200113 - 2²⁴ = 21416422897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21433200119) 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, 11291570 + ... + 11293467.

It is an arithmetic number, because the mean of its divisors is an integer number (2924762421).

Almost surely, 2^21433200113 is an apocalyptic number.

It is an amenable number.

21433200113 is a deficient number, since it is larger than the sum of its proper divisors (1964899255).

21433200113 is a wasteful number, since it uses less digits than its factorization.

21433200113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22585123.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21433200113 its reverse (31100233412), we get a palindrome (52533433525).

The spelling of 21433200113 in words is "twenty-one billion, four hundred thirty-three million, two hundred thousand, one hundred thirteen".