10221661063105 has 32 divisors (see below), whose sum is σ = 12488730624000. Its totient is φ = 8029173200832.

The previous prime is 10221661063093. The next prime is 10221661063121. The reversal of 10221661063105 is 50136016612201.

10221661063105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10221661063105 - 2⁹ = 10221661062593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1111166296 + ... + 1111175494.

It is an arithmetic number, because the mean of its divisors is an integer number (390272832000).

Almost surely, 2^{10221661063105} is an apocalyptic number.

It is an amenable number.

10221661063105 is a deficient number, since it is larger than the sum of its proper divisors (2267069560895).

10221661063105 is a wasteful number, since it uses less digits than its factorization.

10221661063105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13333.

The product of its (nonzero) digits is 12960, while the sum is 34.

Adding to 10221661063105 its reverse (50136016612201), we get a palindrome (60357677675306).

The spelling of 10221661063105 in words is "ten trillion, two hundred twenty-one billion, six hundred sixty-one million, sixty-three thousand, one hundred five".