10221471243 has 30 divisors (see below), whose sum is σ = 15337840452. Its totient is φ = 6783777000.

The previous prime is 10221471241. The next prime is 10221471251. The reversal of 10221471243 is 34217412201.

It is not a de Polignac number, because 10221471243 - 2¹ = 10221471241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10221471241) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 5102080 + ... + 5104082.

Almost surely, 2^10221471243 is an apocalyptic number.

10221471243 is a deficient number, since it is larger than the sum of its proper divisors (5116369209).

10221471243 is an frugal number, since it uses more digits than its factorization.

10221471243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2517 (or 2257 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

Adding to 10221471243 its reverse (34217412201), we get a palindrome (44438883444).

The spelling of 10221471243 in words is "ten billion, two hundred twenty-one million, four hundred seventy-one thousand, two hundred forty-three".