4223101221243 has 12 divisors (see below), whose sum is σ = 6296810423488. Its totient is φ = 2724581432880.

The previous prime is 4223101221197. The next prime is 4223101221257. The reversal of 4223101221243 is 3421221013224.

4223101221243 is a `hidden beast` number, since 422 + 3 + 10 + 1 + 221 + 2 + 4 + 3 = 666.

It is not a de Polignac number, because 4223101221243 - 2²⁴ = 4223084444027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4223101221263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7568281480 + ... + 7568282037.

Almost surely, 2^{4223101221243} is an apocalyptic number.

4223101221243 is a deficient number, since it is larger than the sum of its proper divisors (2073709202245).

4223101221243 is a wasteful number, since it uses less digits than its factorization.

4223101221243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15136563554 (or 15136563551 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 4223101221243 its reverse (3421221013224), we get a palindrome (7644322234467).

The spelling of 4223101221243 in words is "four trillion, two hundred twenty-three billion, one hundred one million, two hundred twenty-one thousand, two hundred forty-three".