3200232120221 has 4 divisors (see below), whose sum is σ = 3201315845532. Its totient is φ = 3199148394912.

The previous prime is 3200232120209. The next prime is 3200232120227. The reversal of 3200232120221 is 1220212320023.

It is a happy number.

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 1074062776900 + 2126169343321 = 1036370^2 + 1458139^2 .

It is a cyclic number.

It is not a de Polignac number, because 3200232120221 - 2¹⁰ = 3200232119197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3200232120193 and 3200232120202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3200232120227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541858226 + ... + 541864131.

It is an arithmetic number, because the mean of its divisors is an integer number (800328961383).

Almost surely, 2^{3200232120221} is an apocalyptic number.

It is an amenable number.

3200232120221 is a deficient number, since it is larger than the sum of its proper divisors (1083725311).

3200232120221 is a wasteful number, since it uses less digits than its factorization.

3200232120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083725310.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 3200232120221 its reverse (1220212320023), we get a palindrome (4420444440244).

The spelling of 3200232120221 in words is "three trillion, two hundred billion, two hundred thirty-two million, one hundred twenty thousand, two hundred twenty-one".