42221303351 has 2 divisors, whose sum is σ = 42221303352. Its totient is φ = 42221303350.

The previous prime is 42221303323. The next prime is 42221303417. The reversal of 42221303351 is 15330312224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42221303351 - 2⁶ = 42221303287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42221303351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42221305351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21110651675 + 21110651676.

It is an arithmetic number, because the mean of its divisors is an integer number (21110651676).

Almost surely, 2^42221303351 is an apocalyptic number.

42221303351 is a deficient number, since it is larger than the sum of its proper divisors (1).

42221303351 is an equidigital number, since it uses as much as digits as its factorization.

42221303351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 42221303351 its reverse (15330312224), we get a palindrome (57551615575).

The spelling of 42221303351 in words is "forty-two billion, two hundred twenty-one million, three hundred three thousand, three hundred fifty-one".