132203121221 has 4 divisors (see below), whose sum is σ = 132673595244. Its totient is φ = 131732647200.

The previous prime is 132203121191. The next prime is 132203121227. The reversal of 132203121221 is 122121302231.

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 77453673025 + 54749448196 = 278305^2 + 233986^2 .

It is a cyclic number.

It is not a de Polignac number, because 132203121221 - 2¹⁰ = 132203120197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132203121193 and 132203121202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132203121227) 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, 235236590 + ... + 235237151.

It is an arithmetic number, because the mean of its divisors is an integer number (33168398811).

Almost surely, 2^132203121221 is an apocalyptic number.

It is an amenable number.

132203121221 is a deficient number, since it is larger than the sum of its proper divisors (470474023).

132203121221 is an equidigital number, since it uses as much as digits as its factorization.

132203121221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470474022.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 132203121221 its reverse (122121302231), we get a palindrome (254324423452).

The spelling of 132203121221 in words is "one hundred thirty-two billion, two hundred three million, one hundred twenty-one thousand, two hundred twenty-one".