332002020121 has 2 divisors, whose sum is σ = 332002020122. Its totient is φ = 332002020120.

The previous prime is 332002020083. The next prime is 332002020139. The reversal of 332002020121 is 121020200233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236682250000 + 95319770121 = 486500^2 + 308739^2 .

It is a cyclic number.

It is not a de Polignac number, because 332002020121 - 2¹⁵ = 332001987353 is a prime.

It is a super-2 number, since 2×332002020121² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 332002020095 and 332002020104.

It is not a weakly prime, because it can be changed into another prime (332002020151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166001010060 + 166001010061.

It is an arithmetic number, because the mean of its divisors is an integer number (166001010061).

Almost surely, 2^332002020121 is an apocalyptic number.

It is an amenable number.

332002020121 is a deficient number, since it is larger than the sum of its proper divisors (1).

332002020121 is an equidigital number, since it uses as much as digits as its factorization.

332002020121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 332002020121 its reverse (121020200233), we get a palindrome (453022220354).

The spelling of 332002020121 in words is "three hundred thirty-two billion, two million, twenty thousand, one hundred twenty-one".