1335242532121 has 2 divisors, whose sum is σ = 1335242532122. Its totient is φ = 1335242532120.

The previous prime is 1335242532097. The next prime is 1335242532133. The reversal of 1335242532121 is 1212352425331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 965895840000 + 369346692121 = 982800^2 + 607739^2 .

It is a cyclic number.

It is not a de Polignac number, because 1335242532121 - 2¹⁷ = 1335242401049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1335242532721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667621266060 + 667621266061.

It is an arithmetic number, because the mean of its divisors is an integer number (667621266061).

Almost surely, 2^{1335242532121} is an apocalyptic number.

It is an amenable number.

1335242532121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1335242532121 is an equidigital number, since it uses as much as digits as its factorization.

1335242532121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 34.

Adding to 1335242532121 its reverse (1212352425331), we get a palindrome (2547594957452).

The spelling of 1335242532121 in words is "one trillion, three hundred thirty-five billion, two hundred forty-two million, five hundred thirty-two thousand, one hundred twenty-one".