350313540522221 has 4 divisors (see below), whose sum is σ = 352270599408000. Its totient is φ = 348356481636444.

The previous prime is 350313540522191. The next prime is 350313540522263. The reversal of 350313540522221 is 122225045313053.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 350313540522221 - 2³⁴ = 350296360653037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350313540521221) 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, 978529442621 + ... + 978529442978.

It is an arithmetic number, because the mean of its divisors is an integer number (88067649852000).

Almost surely, 2^{350313540522221} is an apocalyptic number.

It is an amenable number.

350313540522221 is a deficient number, since it is larger than the sum of its proper divisors (1957058885779).

350313540522221 is a wasteful number, since it uses less digits than its factorization.

350313540522221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957058885778.

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 350313540522221 its reverse (122225045313053), we get a palindrome (472538585835274).

The spelling of 350313540522221 in words is "three hundred fifty trillion, three hundred thirteen billion, five hundred forty million, five hundred twenty-two thousand, two hundred twenty-one".