3330221020121 has 2 divisors, whose sum is σ = 3330221020122. Its totient is φ = 3330221020120.

The previous prime is 3330221020109. The next prime is 3330221020123. The reversal of 3330221020121 is 1210201220333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3292609848025 + 37611172096 = 1814555^2 + 193936^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3330221020121 is a prime.

It is a super-2 number, since 2×3330221020121² (a number of 26 digits) contains 22 as substring.

Together with 3330221020123, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3330221020093 and 3330221020102.

It is not a weakly prime, because it can be changed into another prime (3330221020123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665110510060 + 1665110510061.

It is an arithmetic number, because the mean of its divisors is an integer number (1665110510061).

Almost surely, 2^{3330221020121} is an apocalyptic number.

It is an amenable number.

3330221020121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3330221020121 is an equidigital number, since it uses as much as digits as its factorization.

3330221020121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 3330221020121 its reverse (1210201220333), we get a palindrome (4540422240454).

The spelling of 3330221020121 in words is "three trillion, three hundred thirty billion, two hundred twenty-one million, twenty thousand, one hundred twenty-one".