132213121 has 4 divisors (see below), whose sum is σ = 132305200. Its totient is φ = 132121044.

The previous prime is 132213073. The next prime is 132213143. The reversal of 132213121 is 121312231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121312231 = 8243 ⋅14717.

It is a cyclic number.

It is not a de Polignac number, because 132213121 - 2¹⁵ = 132180353 is a prime.

It is a super-3 number, since 3×132213121³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132213095 and 132213104.

It is not an unprimeable number, because it can be changed into a prime (132213161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43851 + ... + 46768.

It is an arithmetic number, because the mean of its divisors is an integer number (33076300).

Almost surely, 2^132213121 is an apocalyptic number.

It is an amenable number.

132213121 is a deficient number, since it is larger than the sum of its proper divisors (92079).

132213121 is an equidigital number, since it uses as much as digits as its factorization.

132213121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92078.

The product of its digits is 72, while the sum is 16.

The square root of 132213121 is about 11498.3964534191. The cubic root of 132213121 is about 509.4382138969.

Adding to 132213121 its reverse (121312231), we get a palindrome (253525352).

The spelling of 132213121 in words is "one hundred thirty-two million, two hundred thirteen thousand, one hundred twenty-one".