10221113200123 has 4 divisors (see below), whose sum is σ = 11681272228720. Its totient is φ = 8760954171528.

The previous prime is 10221113200121. The next prime is 10221113200189. The reversal of 10221113200123 is 32100231112201.

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

It is a cyclic number.

It is not a de Polignac number, because 10221113200123 - 2¹ = 10221113200121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10221113200123.

It is not an unprimeable number, because it can be changed into a prime (10221113200121) 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, 730079514288 + ... + 730079514301.

It is an arithmetic number, because the mean of its divisors is an integer number (2920318057180).

Almost surely, 2^{10221113200123} is an apocalyptic number.

10221113200123 is a deficient number, since it is larger than the sum of its proper divisors (1460159028597).

10221113200123 is an equidigital number, since it uses as much as digits as its factorization.

10221113200123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460159028596.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 10221113200123 its reverse (32100231112201), we get a palindrome (42321344312324).

The spelling of 10221113200123 in words is "ten trillion, two hundred twenty-one billion, one hundred thirteen million, two hundred thousand, one hundred twenty-three".