10306818356221 has 8 divisors (see below), whose sum is σ = 11101874471424. Its totient is φ = 9540673372560.

The previous prime is 10306818356183. The next prime is 10306818356231. The reversal of 10306818356221 is 12265381860301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10306818356221 - 2³⁵ = 10272458617853 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 (10306818356231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7227782146 + ... + 7227783571.

It is an arithmetic number, because the mean of its divisors is an integer number (1387734308928).

Almost surely, 2^{10306818356221} is an apocalyptic number.

It is an amenable number.

10306818356221 is a deficient number, since it is larger than the sum of its proper divisors (795056115203).

10306818356221 is a wasteful number, since it uses less digits than its factorization.

10306818356221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14455565771.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 10306818356221 in words is "ten trillion, three hundred six billion, eight hundred eighteen million, three hundred fifty-six thousand, two hundred twenty-one".