21332230132201 has 4 divisors (see below), whose sum is σ = 21332251971972. Its totient is φ = 21332208292432.

The previous prime is 21332230132189. The next prime is 21332230132219. The reversal of 21332230132201 is 10223103223312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6622696371600 + 14709533760601 = 2573460^2 + 3835301^2 .

It is a cyclic number.

It is not a de Polignac number, because 21332230132201 - 2³⁹ = 20782474318313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21332230132261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9382606 + ... + 11432311.

It is an arithmetic number, because the mean of its divisors is an integer number (5333062992993).

Almost surely, 2^{21332230132201} is an apocalyptic number.

It is an amenable number.

21332230132201 is a deficient number, since it is larger than the sum of its proper divisors (21839771).

21332230132201 is a wasteful number, since it uses less digits than its factorization.

21332230132201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21839770.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21332230132201 its reverse (10223103223312), we get a palindrome (31555333355513).

The spelling of 21332230132201 in words is "twenty-one trillion, three hundred thirty-two billion, two hundred thirty million, one hundred thirty-two thousand, two hundred one".