10105021313243 has 4 divisors (see below), whose sum is σ = 10125601805208. Its totient is φ = 10084440821280.

The previous prime is 10105021313239. The next prime is 10105021313263. The reversal of 10105021313243 is 34231312050101.

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 10105021313243 - 2² = 10105021313239 is a prime.

It is a super-2 number, since 2×10105021313243² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10105021313263) 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, 10290245246 + ... + 10290246227.

It is an arithmetic number, because the mean of its divisors is an integer number (2531400451302).

Almost surely, 2^{10105021313243} is an apocalyptic number.

10105021313243 is a deficient number, since it is larger than the sum of its proper divisors (20580491965).

10105021313243 is an equidigital number, since it uses as much as digits as its factorization.

10105021313243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20580491964.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 10105021313243 its reverse (34231312050101), we get a palindrome (44336333363344).

The spelling of 10105021313243 in words is "ten trillion, one hundred five billion, twenty-one million, three hundred thirteen thousand, two hundred forty-three".