10243563650221 has 16 divisors (see below), whose sum is σ = 11895111835200. Its totient is φ = 8723081980800.

The previous prime is 10243563650197. The next prime is 10243563650233. The reversal of 10243563650221 is 12205636534201.

It is not a de Polignac number, because 10243563650221 - 2⁷ = 10243563650093 is a prime.

It is a super-2 number, since 2×10243563650221² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10243563654221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275331210 + ... + 275368411.

It is an arithmetic number, because the mean of its divisors is an integer number (743444489700).

Almost surely, 2^{10243563650221} is an apocalyptic number.

10243563650221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10243563650221 is a deficient number, since it is larger than the sum of its proper divisors (1651548184979).

10243563650221 is a wasteful number, since it uses less digits than its factorization.

10243563650221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550699740.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 10243563650221 in words is "ten trillion, two hundred forty-three billion, five hundred sixty-three million, six hundred fifty thousand, two hundred twenty-one".