3020421221243 has 2 divisors, whose sum is σ = 3020421221244. Its totient is φ = 3020421221242.

The previous prime is 3020421221179. The next prime is 3020421221249. The reversal of 3020421221243 is 3421221240203.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3020421221243 - 2⁶ = 3020421221179 is a prime.

It is a super-3 number, since 3×3020421221243³ (a number of 38 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3020421221249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1510210610621 + 1510210610622.

It is an arithmetic number, because the mean of its divisors is an integer number (1510210610622).

Almost surely, 2^{3020421221243} is an apocalyptic number.

3020421221243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3020421221243 is an equidigital number, since it uses as much as digits as its factorization.

3020421221243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 3020421221243 its reverse (3421221240203), we get a palindrome (6441642461446).

The spelling of 3020421221243 in words is "three trillion, twenty billion, four hundred twenty-one million, two hundred twenty-one thousand, two hundred forty-three".