4223882544121 has 2 divisors, whose sum is σ = 4223882544122. Its totient is φ = 4223882544120.

The previous prime is 4223882544073. The next prime is 4223882544157. The reversal of 4223882544121 is 1214452883224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2568131246521 + 1655751297600 = 1602539^2 + 1286760^2 .

It is a cyclic number.

It is not a de Polignac number, because 4223882544121 - 2²¹ = 4223880446969 is a prime.

It is not a weakly prime, because it can be changed into another prime (4223882544421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111941272060 + 2111941272061.

It is an arithmetic number, because the mean of its divisors is an integer number (2111941272061).

Almost surely, 2^{4223882544121} is an apocalyptic number.

It is an amenable number.

4223882544121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4223882544121 is an equidigital number, since it uses as much as digits as its factorization.

4223882544121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 983040, while the sum is 46.

The spelling of 4223882544121 in words is "four trillion, two hundred twenty-three billion, eight hundred eighty-two million, five hundred forty-four thousand, one hundred twenty-one".