132211021 has 2 divisors, whose sum is σ = 132211022. Its totient is φ = 132211020.

The previous prime is 132211007. The next prime is 132211043. The reversal of 132211021 is 120112231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80802121 + 51408900 = 8989^2 + 7170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132211021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 132210992 and 132211010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132211081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66105510 + 66105511.

It is an arithmetic number, because the mean of its divisors is an integer number (66105511).

Almost surely, 2^132211021 is an apocalyptic number.

It is an amenable number.

132211021 is a deficient number, since it is larger than the sum of its proper divisors (1).

132211021 is an equidigital number, since it uses as much as digits as its factorization.

132211021 is an evil number, because the sum of its binary digits is even.

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

The square root of 132211021 is about 11498.3051359755. The cubic root of 132211021 is about 509.4355166711.

Adding to 132211021 its reverse (120112231), we get a palindrome (252323252).

The spelling of 132211021 in words is "one hundred thirty-two million, two hundred eleven thousand, twenty-one".