132121132021 has 2 divisors, whose sum is σ = 132121132022. Its totient is φ = 132121132020.

The previous prime is 132121132009. The next prime is 132121132153. The reversal of 132121132021 is 120231121231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113039853796 + 19081278225 = 336214^2 + 138135^2 .

It is a cyclic number.

It is not a de Polignac number, because 132121132021 - 2⁷ = 132121131893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 132121132021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132121132721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66060566010 + 66060566011.

It is an arithmetic number, because the mean of its divisors is an integer number (66060566011).

Almost surely, 2^132121132021 is an apocalyptic number.

It is an amenable number.

132121132021 is a deficient number, since it is larger than the sum of its proper divisors (1).

132121132021 is an equidigital number, since it uses as much as digits as its factorization.

132121132021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 132121132021 its reverse (120231121231), we get a palindrome (252352253252).

The spelling of 132121132021 in words is "one hundred thirty-two billion, one hundred twenty-one million, one hundred thirty-two thousand, twenty-one".