132210121 has 4 divisors (see below), whose sum is σ = 132455044. Its totient is φ = 131965200.

The previous prime is 132210103. The next prime is 132210137. The reversal of 132210121 is 121012231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121012231 = 2081 ⋅58151.

It can be written as a sum of positive squares in 2 ways, for example, as 66194496 + 66015625 = 8136^2 + 8125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132210121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132210181) 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, 121650 + ... + 122731.

It is an arithmetic number, because the mean of its divisors is an integer number (33113761).

Almost surely, 2^132210121 is an apocalyptic number.

It is an amenable number.

132210121 is a deficient number, since it is larger than the sum of its proper divisors (244923).

132210121 is an equidigital number, since it uses as much as digits as its factorization.

132210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244922.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 132210121 is about 11498.2659997062. The cubic root of 132210121 is about 509.4343607085.

Adding to 132210121 its reverse (121012231), we get a palindrome (253222352).

The spelling of 132210121 in words is "one hundred thirty-two million, two hundred ten thousand, one hundred twenty-one".