132011021 has 4 divisors (see below), whose sum is σ = 135230844. Its totient is φ = 128791200.

The previous prime is 132011003. The next prime is 132011027. The reversal of 132011021 is 120110231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 120110231 = 199 ⋅603569.

It can be written as a sum of positive squares in 2 ways, for example, as 72505225 + 59505796 = 8515^2 + 7714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132011021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132010993 and 132011011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132011027) 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, 1609850 + ... + 1609931.

It is an arithmetic number, because the mean of its divisors is an integer number (33807711).

Almost surely, 2^132011021 is an apocalyptic number.

It is an amenable number.

132011021 is a deficient number, since it is larger than the sum of its proper divisors (3219823).

132011021 is an equidigital number, since it uses as much as digits as its factorization.

132011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219822.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 132011021 is about 11489.6049105267. The cubic root of 132011021 is about 509.1785070265.

Adding to 132011021 its reverse (120110231), we get a palindrome (252121252).

The spelling of 132011021 in words is "one hundred thirty-two million, eleven thousand, twenty-one".