351041221021241 has 4 divisors (see below), whose sum is σ = 351041292976500. Its totient is φ = 351041149065984.

The previous prime is 351041221021207. The next prime is 351041221021289. The reversal of 351041221021241 is 142120122140153.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 117883590771241 + 233157630250000 = 10857421^2 + 15269500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-351041221021241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (351041221021201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28082156 + ... + 38609453.

It is an arithmetic number, because the mean of its divisors is an integer number (87760323244125).

Almost surely, 2^{351041221021241} is an apocalyptic number.

It is an amenable number.

351041221021241 is a deficient number, since it is larger than the sum of its proper divisors (71955259).

351041221021241 is an equidigital number, since it uses as much as digits as its factorization.

351041221021241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71955258.

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 351041221021241 its reverse (142120122140153), we get a palindrome (493161343161394).

The spelling of 351041221021241 in words is "three hundred fifty-one trillion, forty-one billion, two hundred twenty-one million, twenty-one thousand, two hundred forty-one".