3442020342221 has 2 divisors, whose sum is σ = 3442020342222. Its totient is φ = 3442020342220.

The previous prime is 3442020342157. The next prime is 3442020342223. The reversal of 3442020342221 is 1222430202443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3438669553225 + 3350788996 = 1854365^2 + 57886^2 .

It is a cyclic number.

It is not a de Polignac number, because 3442020342221 - 2⁶ = 3442020342157 is a prime.

Together with 3442020342223, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3442020342223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1721010171110 + 1721010171111.

It is an arithmetic number, because the mean of its divisors is an integer number (1721010171111).

Almost surely, 2^{3442020342221} is an apocalyptic number.

It is an amenable number.

3442020342221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3442020342221 is an equidigital number, since it uses as much as digits as its factorization.

3442020342221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 3442020342221 its reverse (1222430202443), we get a palindrome (4664450544664).

The spelling of 3442020342221 in words is "three trillion, four hundred forty-two billion, twenty million, three hundred forty-two thousand, two hundred twenty-one".