132020121021521 has 2 divisors, whose sum is σ = 132020121021522. Its totient is φ = 132020121021520.

The previous prime is 132020121021431. The next prime is 132020121021539. The reversal of 132020121021521 is 125120121020231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103671311611921 + 28348809409600 = 10181911^2 + 5324360^2 .

It is a cyclic number.

It is not a de Polignac number, because 132020121021521 - 2¹⁸ = 132020120759377 is a prime.

It is not a weakly prime, because it can be changed into another prime (132020121027521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66010060510760 + 66010060510761.

It is an arithmetic number, because the mean of its divisors is an integer number (66010060510761).

Almost surely, 2^{132020121021521} is an apocalyptic number.

It is an amenable number.

132020121021521 is a deficient number, since it is larger than the sum of its proper divisors (1).

132020121021521 is an equidigital number, since it uses as much as digits as its factorization.

132020121021521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 132020121021521 its reverse (125120121020231), we get a palindrome (257140242041752).

The spelling of 132020121021521 in words is "one hundred thirty-two trillion, twenty billion, one hundred twenty-one million, twenty-one thousand, five hundred twenty-one".