10113140221 has 4 divisors (see below), whose sum is σ = 10226771100. Its totient is φ = 9999509344.

The previous prime is 10113140209. The next prime is 10113140281. The reversal of 10113140221 is 12204131101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5070152025 + 5042988196 = 71205^2 + 71014^2 .

It is a cyclic number.

It is not a de Polignac number, because 10113140221 - 2¹⁷ = 10113009149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10113140195 and 10113140204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10113140281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56815306 + ... + 56815483.

It is an arithmetic number, because the mean of its divisors is an integer number (2556692775).

Almost surely, 2^10113140221 is an apocalyptic number.

It is an amenable number.

10113140221 is a deficient number, since it is larger than the sum of its proper divisors (113630879).

10113140221 is an equidigital number, since it uses as much as digits as its factorization.

10113140221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113630878.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10113140221 its reverse (12204131101), we get a palindrome (22317271322).

The spelling of 10113140221 in words is "ten billion, one hundred thirteen million, one hundred forty thousand, two hundred twenty-one".