10221745143 has 4 divisors (see below), whose sum is σ = 13628993528. Its totient is φ = 6814496760.

The previous prime is 10221745109. The next prime is 10221745189. The reversal of 10221745143 is 34154712201.

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

It is not a de Polignac number, because 10221745143 - 2¹⁷ = 10221614071 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 10221745143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221745243) 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, 1703624188 + ... + 1703624193.

It is an arithmetic number, because the mean of its divisors is an integer number (3407248382).

Almost surely, 2^10221745143 is an apocalyptic number.

10221745143 is a deficient number, since it is larger than the sum of its proper divisors (3407248385).

10221745143 is an equidigital number, since it uses as much as digits as its factorization.

10221745143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407248384.

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 10221745143 in words is "ten billion, two hundred twenty-one million, seven hundred forty-five thousand, one hundred forty-three".