132121021401221 has 2 divisors, whose sum is σ = 132121021401222. Its totient is φ = 132121021401220.

The previous prime is 132121021401211. The next prime is 132121021401289. The reversal of 132121021401221 is 122104120121231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126691007604100 + 5430013797121 = 11255710^2 + 2330239^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132121021401221 is a prime.

It is a super-2 number, since 2×132121021401221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132121021401211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66060510700610 + 66060510700611.

It is an arithmetic number, because the mean of its divisors is an integer number (66060510700611).

Almost surely, 2^{132121021401221} is an apocalyptic number.

It is an amenable number.

132121021401221 is a deficient number, since it is larger than the sum of its proper divisors (1).

132121021401221 is an equidigital number, since it uses as much as digits as its factorization.

132121021401221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 132121021401221 its reverse (122104120121231), we get a palindrome (254225141522452).

The spelling of 132121021401221 in words is "one hundred thirty-two trillion, one hundred twenty-one billion, twenty-one million, four hundred one thousand, two hundred twenty-one".